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/******************************************************************************
* Spine Runtimes Software License v2.5
*
* Copyright (c) 2013-2016, Esoteric Software
* All rights reserved.
*
* You are granted a perpetual, non-exclusive, non-sublicensable, and
* non-transferable license to use, install, execute, and perform the Spine
* Runtimes software and derivative works solely for personal or internal
* use. Without the written permission of Esoteric Software (see Section 2 of
* the Spine Software License Agreement), you may not (a) modify, translate,
* adapt, or develop new applications using the Spine Runtimes or otherwise
* create derivative works or improvements of the Spine Runtimes or (b) remove,
* delete, alter, or obscure any trademarks or any copyright, trademark, patent,
* or other intellectual property or proprietary rights notices on or in the
* Software, including any copy thereof. Redistributions in binary or source
* form must include this license and terms.
*
* THIS SOFTWARE IS PROVIDED BY ESOTERIC SOFTWARE "AS IS" AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
* EVENT SHALL ESOTERIC SOFTWARE BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, BUSINESS INTERRUPTION, OR LOSS OF
* USE, DATA, OR PROFITS) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
* IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*****************************************************************************/
module spine {
export class Animation {
name: string;
timelines: Array<Timeline>;
duration: number;
constructor (name: string, timelines: Array<Timeline>, duration: number) {
if (name == null) throw new Error("name cannot be null.");
if (timelines == null) throw new Error("timelines cannot be null.");
this.name = name;
this.timelines = timelines;
this.duration = duration;
}
apply (skeleton: Skeleton, lastTime: number, time: number, loop: boolean, events: Array<Event>, alpha: number, blend: MixBlend, direction: MixDirection) {
if (skeleton == null) throw new Error("skeleton cannot be null.");
if (loop && this.duration != 0) {
time %= this.duration;
if (lastTime > 0) lastTime %= this.duration;
}
let timelines = this.timelines;
for (let i = 0, n = timelines.length; i < n; i++)
timelines[i].apply(skeleton, lastTime, time, events, alpha, blend, direction);
}
static binarySearch (values: ArrayLike<number>, target: number, step: number = 1) {
let low = 0;
let high = values.length / step - 2;
if (high == 0) return step;
let current = high >>> 1;
while (true) {
if (values[(current + 1) * step] <= target)
low = current + 1;
else
high = current;
if (low == high) return (low + 1) * step;
current = (low + high) >>> 1;
}
}
static linearSearch (values: ArrayLike<number>, target: number, step: number) {
for (let i = 0, last = values.length - step; i <= last; i += step)
if (values[i] > target) return i;
return -1;
}
}
export interface Timeline {
apply (skeleton: Skeleton, lastTime: number, time: number, events: Array<Event>, alpha: number, blend: MixBlend, direction: MixDirection): void;
getPropertyId (): number;
}
export enum MixBlend {
setup,
first,
replace,
add
}
export enum MixDirection {
in, out
}
export enum TimelineType {
rotate, translate, scale, shear,
attachment, color, deform,
event, drawOrder,
ikConstraint, transformConstraint,
pathConstraintPosition, pathConstraintSpacing, pathConstraintMix,
twoColor
}
export abstract class CurveTimeline implements Timeline {
static LINEAR = 0; static STEPPED = 1; static BEZIER = 2;
static BEZIER_SIZE = 10 * 2 - 1;
private curves: ArrayLike<number>; // type, x, y, ...
abstract getPropertyId(): number;
constructor (frameCount: number) {
if (frameCount <= 0) throw new Error("frameCount must be > 0: " + frameCount);
this.curves = Utils.newFloatArray((frameCount - 1) * CurveTimeline.BEZIER_SIZE);
}
getFrameCount () {
return this.curves.length / CurveTimeline.BEZIER_SIZE + 1;
}
setLinear (frameIndex: number) {
this.curves[frameIndex * CurveTimeline.BEZIER_SIZE] = CurveTimeline.LINEAR;
}
setStepped (frameIndex: number) {
this.curves[frameIndex * CurveTimeline.BEZIER_SIZE] = CurveTimeline.STEPPED;
}
getCurveType (frameIndex: number): number {
let index = frameIndex * CurveTimeline.BEZIER_SIZE;
if (index == this.curves.length) return CurveTimeline.LINEAR;
let type = this.curves[index];
if (type == CurveTimeline.LINEAR) return CurveTimeline.LINEAR;
if (type == CurveTimeline.STEPPED) return CurveTimeline.STEPPED;
return CurveTimeline.BEZIER;
}
/** Sets the control handle positions for an interpolation bezier curve used to transition from this keyframe to the next.
* cx1 and cx2 are from 0 to 1, representing the percent of time between the two keyframes. cy1 and cy2 are the percent of
* the difference between the keyframe's values. */
setCurve (frameIndex: number, cx1: number, cy1: number, cx2: number, cy2: number) {
let tmpx = (-cx1 * 2 + cx2) * 0.03, tmpy = (-cy1 * 2 + cy2) * 0.03;
let dddfx = ((cx1 - cx2) * 3 + 1) * 0.006, dddfy = ((cy1 - cy2) * 3 + 1) * 0.006;
let ddfx = tmpx * 2 + dddfx, ddfy = tmpy * 2 + dddfy;
let dfx = cx1 * 0.3 + tmpx + dddfx * 0.16666667, dfy = cy1 * 0.3 + tmpy + dddfy * 0.16666667;
let i = frameIndex * CurveTimeline.BEZIER_SIZE;
let curves = this.curves;
curves[i++] = CurveTimeline.BEZIER;
let x = dfx, y = dfy;
for (let n = i + CurveTimeline.BEZIER_SIZE - 1; i < n; i += 2) {
curves[i] = x;
curves[i + 1] = y;
dfx += ddfx;
dfy += ddfy;
ddfx += dddfx;
ddfy += dddfy;
x += dfx;
y += dfy;
}
}
getCurvePercent (frameIndex: number, percent: number) {
percent = MathUtils.clamp(percent, 0, 1);
let curves = this.curves;
let i = frameIndex * CurveTimeline.BEZIER_SIZE;
let type = curves[i];
if (type == CurveTimeline.LINEAR) return percent;
if (type == CurveTimeline.STEPPED) return 0;
i++;
let x = 0;
for (let start = i, n = i + CurveTimeline.BEZIER_SIZE - 1; i < n; i += 2) {
x = curves[i];
if (x >= percent) {
let prevX: number, prevY: number;
if (i == start) {
prevX = 0;
prevY = 0;
} else {
prevX = curves[i - 2];
prevY = curves[i - 1];
}
return prevY + (curves[i + 1] - prevY) * (percent - prevX) / (x - prevX);
}
}
let y = curves[i - 1];
return y + (1 - y) * (percent - x) / (1 - x); // Last point is 1,1.
}
abstract apply (skeleton: Skeleton, lastTime: number, time: number, events: Array<Event>, alpha: number, blend: MixBlend, direction: MixDirection): void;
}
export class RotateTimeline extends CurveTimeline {
static ENTRIES = 2;
static PREV_TIME = -2; static PREV_ROTATION = -1;
static ROTATION = 1;
boneIndex: number;
frames: ArrayLike<number>; // time, degrees, ...
constructor (frameCount: number) {
super(frameCount);
this.frames = Utils.newFloatArray(frameCount << 1);
}
getPropertyId () {
return (TimelineType.rotate << 24) + this.boneIndex;
}
/** Sets the time and angle of the specified keyframe. */
setFrame (frameIndex: number, time: number, degrees: number) {
frameIndex <<= 1;
this.frames[frameIndex] = time;
this.frames[frameIndex + RotateTimeline.ROTATION] = degrees;
}
apply (skeleton: Skeleton, lastTime: number, time: number, events: Array<Event>, alpha: number, blend: MixBlend, direction: MixDirection) {
let frames = this.frames;
let bone = skeleton.bones[this.boneIndex];
if (time < frames[0]) {
switch (blend) {
case MixBlend.setup:
bone.rotation = bone.data.rotation;
return;
case MixBlend.first:
let r = bone.data.rotation - bone.rotation;
bone.rotation += (r - (16384 - ((16384.499999999996 - r / 360) | 0)) * 360) * alpha;
}
return;
}
if (time >= frames[frames.length - RotateTimeline.ENTRIES]) { // Time is after last frame.
let r = frames[frames.length + RotateTimeline.PREV_ROTATION];
switch (blend) {
case MixBlend.setup:
bone.rotation = bone.data.rotation + r * alpha;
break;
case MixBlend.first:
case MixBlend.replace:
r += bone.data.rotation - bone.rotation;
r -= (16384 - ((16384.499999999996 - r / 360) | 0)) * 360; // Wrap within -180 and 180.
case MixBlend.add:
bone.rotation += r * alpha;
}
return;
}
// Interpolate between the previous frame and the current frame.
let frame = Animation.binarySearch(frames, time, RotateTimeline.ENTRIES);
let prevRotation = frames[frame + RotateTimeline.PREV_ROTATION];
let frameTime = frames[frame];
let percent = this.getCurvePercent((frame >> 1) - 1,
1 - (time - frameTime) / (frames[frame + RotateTimeline.PREV_TIME] - frameTime));
let r = frames[frame + RotateTimeline.ROTATION] - prevRotation;
r = prevRotation + (r - (16384 - ((16384.499999999996 - r / 360) | 0)) * 360) * percent;
switch (blend) {
case MixBlend.setup:
bone.rotation = bone.data.rotation + (r - (16384 - ((16384.499999999996 - r / 360) | 0)) * 360) * alpha;
break;
case MixBlend.first:
case MixBlend.replace:
r += bone.data.rotation - bone.rotation;
case MixBlend.add:
bone.rotation += (r - (16384 - ((16384.499999999996 - r / 360) | 0)) * 360) * alpha;
}
}
}
export class TranslateTimeline extends CurveTimeline {
static ENTRIES = 3;
static PREV_TIME = -3; static PREV_X = -2; static PREV_Y = -1;
static X = 1; static Y = 2;
boneIndex: number;
frames: ArrayLike<number>; // time, x, y, ...
constructor (frameCount: number) {
super(frameCount);
this.frames = Utils.newFloatArray(frameCount * TranslateTimeline.ENTRIES);
}
getPropertyId () {
return (TimelineType.translate << 24) + this.boneIndex;
}
/** Sets the time and value of the specified keyframe. */
setFrame (frameIndex: number, time: number, x: number, y: number) {
frameIndex *= TranslateTimeline.ENTRIES;
this.frames[frameIndex] = time;
this.frames[frameIndex + TranslateTimeline.X] = x;
this.frames[frameIndex + TranslateTimeline.Y] = y;
}
apply (skeleton: Skeleton, lastTime: number, time: number, events: Array<Event>, alpha: number, blend: MixBlend, direction: MixDirection) {
let frames = this.frames;
let bone = skeleton.bones[this.boneIndex];
if (time < frames[0]) {
switch (blend) {
case MixBlend.setup:
bone.x = bone.data.x;
bone.y = bone.data.y;
return;
case MixBlend.first:
bone.x += (bone.data.x - bone.x) * alpha;
bone.y += (bone.data.y - bone.y) * alpha;
}
return;
}
let x = 0, y = 0;
if (time >= frames[frames.length - TranslateTimeline.ENTRIES]) { // Time is after last frame.
x = frames[frames.length + TranslateTimeline.PREV_X];
y = frames[frames.length + TranslateTimeline.PREV_Y];
} else {
// Interpolate between the previous frame and the current frame.
let frame = Animation.binarySearch(frames, time, TranslateTimeline.ENTRIES);
x = frames[frame + TranslateTimeline.PREV_X];
y = frames[frame + TranslateTimeline.PREV_Y];
let frameTime = frames[frame];
let percent = this.getCurvePercent(frame / TranslateTimeline.ENTRIES - 1,
1 - (time - frameTime) / (frames[frame + TranslateTimeline.PREV_TIME] - frameTime));
x += (frames[frame + TranslateTimeline.X] - x) * percent;
y += (frames[frame + TranslateTimeline.Y] - y) * percent;
}
switch (blend) {
case MixBlend.setup:
bone.x = bone.data.x + x * alpha;
bone.y = bone.data.y + y * alpha;
break;
case MixBlend.first:
case MixBlend.replace:
bone.x += (bone.data.x + x - bone.x) * alpha;
bone.y += (bone.data.y + y - bone.y) * alpha;
break;
case MixBlend.add:
bone.x += x * alpha;
bone.y += y * alpha;
}
}
}
export class ScaleTimeline extends TranslateTimeline {
constructor (frameCount: number) {
super(frameCount);
}
getPropertyId () {
return (TimelineType.scale << 24) + this.boneIndex;
}
apply (skeleton: Skeleton, lastTime: number, time: number, events: Array<Event>, alpha: number, blend: MixBlend, direction: MixDirection) {
let frames = this.frames;
let bone = skeleton.bones[this.boneIndex];
if (time < frames[0]) {
switch (blend) {
case MixBlend.setup:
bone.scaleX = bone.data.scaleX;
bone.scaleY = bone.data.scaleY;
return;
case MixBlend.first:
bone.scaleX += (bone.data.scaleX - bone.scaleX) * alpha;
bone.scaleY += (bone.data.scaleY - bone.scaleY) * alpha;
}
return;
}
let x = 0, y = 0;
if (time >= frames[frames.length - ScaleTimeline.ENTRIES]) { // Time is after last frame.
x = frames[frames.length + ScaleTimeline.PREV_X] * bone.data.scaleX;
y = frames[frames.length + ScaleTimeline.PREV_Y] * bone.data.scaleY;
} else {
// Interpolate between the previous frame and the current frame.
let frame = Animation.binarySearch(frames, time, ScaleTimeline.ENTRIES);
x = frames[frame + ScaleTimeline.PREV_X];
y = frames[frame + ScaleTimeline.PREV_Y];
let frameTime = frames[frame];
let percent = this.getCurvePercent(frame / ScaleTimeline.ENTRIES - 1,
1 - (time - frameTime) / (frames[frame + ScaleTimeline.PREV_TIME] - frameTime));
x = (x + (frames[frame + ScaleTimeline.X] - x) * percent) * bone.data.scaleX;
y = (y + (frames[frame + ScaleTimeline.Y] - y) * percent) * bone.data.scaleY;
}
if (alpha == 1) {
if (blend == MixBlend.add) {
bone.scaleX += x - bone.data.scaleX;
bone.scaleY += y - bone.data.scaleY;
} else {
bone.scaleX = x;
bone.scaleY = y;
}
} else {
let bx = 0, by = 0;
if (direction == MixDirection.out) {
switch (blend) {
case MixBlend.setup:
bx = bone.data.scaleX;
by = bone.data.scaleY;
bone.scaleX = bx + (Math.abs(x) * MathUtils.signum(bx) - bx) * alpha;
bone.scaleY = by + (Math.abs(y) * MathUtils.signum(by) - by) * alpha;
break;
case MixBlend.first:
case MixBlend.replace:
bx = bone.scaleX;
by = bone.scaleY;
bone.scaleX = bx + (Math.abs(x) * MathUtils.signum(bx) - bx) * alpha;
bone.scaleY = by + (Math.abs(y) * MathUtils.signum(by) - by) * alpha;
break;
case MixBlend.add:
bx = bone.scaleX;
by = bone.scaleY;
bone.scaleX = bx + (Math.abs(x) * MathUtils.signum(bx) - bone.data.scaleX) * alpha;
bone.scaleY = by + (Math.abs(y) * MathUtils.signum(by) - bone.data.scaleY) * alpha;
}
} else {
switch (blend) {
case MixBlend.setup:
bx = Math.abs(bone.data.scaleX) * MathUtils.signum(x);
by = Math.abs(bone.data.scaleY) * MathUtils.signum(y);
bone.scaleX = bx + (x - bx) * alpha;
bone.scaleY = by + (y - by) * alpha;
break;
case MixBlend.first:
case MixBlend.replace:
bx = Math.abs(bone.scaleX) * MathUtils.signum(x);
by = Math.abs(bone.scaleY) * MathUtils.signum(y);
bone.scaleX = bx + (x - bx) * alpha;
bone.scaleY = by + (y - by) * alpha;
break;
case MixBlend.add:
bx = MathUtils.signum(x);
by = MathUtils.signum(y);
bone.scaleX = Math.abs(bone.scaleX) * bx + (x - Math.abs(bone.data.scaleX) * bx) * alpha;
bone.scaleY = Math.abs(bone.scaleY) * by + (y - Math.abs(bone.data.scaleY) * by) * alpha;
}
}
}
}
}
export class ShearTimeline extends TranslateTimeline {
constructor (frameCount: number) {
super(frameCount);
}
getPropertyId () {
return (TimelineType.shear << 24) + this.boneIndex;
}
apply (skeleton: Skeleton, lastTime: number, time: number, events: Array<Event>, alpha: number, blend: MixBlend, direction: MixDirection) {
let frames = this.frames;
let bone = skeleton.bones[this.boneIndex];
if (time < frames[0]) {
switch (blend) {
case MixBlend.setup:
bone.shearX = bone.data.shearX;
bone.shearY = bone.data.shearY;
return;
case MixBlend.first:
bone.shearX += (bone.data.shearX - bone.shearX) * alpha;
bone.shearY += (bone.data.shearY - bone.shearY) * alpha;
}
return;
}
let x = 0, y = 0;
if (time >= frames[frames.length - ShearTimeline.ENTRIES]) { // Time is after last frame.
x = frames[frames.length + ShearTimeline.PREV_X];
y = frames[frames.length + ShearTimeline.PREV_Y];
} else {
// Interpolate between the previous frame and the current frame.
let frame = Animation.binarySearch(frames, time, ShearTimeline.ENTRIES);
x = frames[frame + ShearTimeline.PREV_X];
y = frames[frame + ShearTimeline.PREV_Y];
let frameTime = frames[frame];
let percent = this.getCurvePercent(frame / ShearTimeline.ENTRIES - 1,
1 - (time - frameTime) / (frames[frame + ShearTimeline.PREV_TIME] - frameTime));
x = x + (frames[frame + ShearTimeline.X] - x) * percent;
y = y + (frames[frame + ShearTimeline.Y] - y) * percent;
}
switch (blend) {
case MixBlend.setup:
bone.shearX = bone.data.shearX + x * alpha;
bone.shearY = bone.data.shearY + y * alpha;
break;
case MixBlend.first:
case MixBlend.replace:
bone.shearX += (bone.data.shearX + x - bone.shearX) * alpha;
bone.shearY += (bone.data.shearY + y - bone.shearY) * alpha;
break;
case MixBlend.add:
bone.shearX += x * alpha;
bone.shearY += y * alpha;
}
}
}
export class ColorTimeline extends CurveTimeline {
static ENTRIES = 5;
static PREV_TIME = -5; static PREV_R = -4; static PREV_G = -3; static PREV_B = -2; static PREV_A = -1;
static R = 1; static G = 2; static B = 3; static A = 4;
slotIndex: number;
frames: ArrayLike<number>; // time, r, g, b, a, ...
constructor (frameCount: number) {
super(frameCount);
this.frames = Utils.newFloatArray(frameCount * ColorTimeline.ENTRIES);
}
getPropertyId () {
return (TimelineType.color << 24) + this.slotIndex;
}
/** Sets the time and value of the specified keyframe. */
setFrame (frameIndex: number, time: number, r: number, g: number, b: number, a: number) {
frameIndex *= ColorTimeline.ENTRIES;
this.frames[frameIndex] = time;
this.frames[frameIndex + ColorTimeline.R] = r;
this.frames[frameIndex + ColorTimeline.G] = g;
this.frames[frameIndex + ColorTimeline.B] = b;
this.frames[frameIndex + ColorTimeline.A] = a;
}
apply (skeleton: Skeleton, lastTime: number, time: number, events: Array<Event>, alpha: number, blend: MixBlend, direction: MixDirection) {
let slot = skeleton.slots[this.slotIndex];
let frames = this.frames;
if (time < frames[0]) {
switch (blend) {
case MixBlend.setup:
slot.color.setFromColor(slot.data.color);
return;
case MixBlend.first:
let color = slot.color, setup = slot.data.color;
color.add((setup.r - color.r) * alpha, (setup.g - color.g) * alpha, (setup.b - color.b) * alpha,
(setup.a - color.a) * alpha);
}
return;
}
let r = 0, g = 0, b = 0, a = 0;
if (time >= frames[frames.length - ColorTimeline.ENTRIES]) { // Time is after last frame.
let i = frames.length;
r = frames[i + ColorTimeline.PREV_R];
g = frames[i + ColorTimeline.PREV_G];
b = frames[i + ColorTimeline.PREV_B];
a = frames[i + ColorTimeline.PREV_A];
} else {
// Interpolate between the previous frame and the current frame.
let frame = Animation.binarySearch(frames, time, ColorTimeline.ENTRIES);
r = frames[frame + ColorTimeline.PREV_R];
g = frames[frame + ColorTimeline.PREV_G];
b = frames[frame + ColorTimeline.PREV_B];
a = frames[frame + ColorTimeline.PREV_A];
let frameTime = frames[frame];
let percent = this.getCurvePercent(frame / ColorTimeline.ENTRIES - 1,
1 - (time - frameTime) / (frames[frame + ColorTimeline.PREV_TIME] - frameTime));
r += (frames[frame + ColorTimeline.R] - r) * percent;
g += (frames[frame + ColorTimeline.G] - g) * percent;
b += (frames[frame + ColorTimeline.B] - b) * percent;
a += (frames[frame + ColorTimeline.A] - a) * percent;
}
if (alpha == 1)
slot.color.set(r, g, b, a);
else {
let color = slot.color;
if (blend == MixBlend.setup) color.setFromColor(slot.data.color);
color.add((r - color.r) * alpha, (g - color.g) * alpha, (b - color.b) * alpha, (a - color.a) * alpha);
}
}
}
export class TwoColorTimeline extends CurveTimeline {
static ENTRIES = 8;
static PREV_TIME = -8; static PREV_R = -7; static PREV_G = -6; static PREV_B = -5; static PREV_A = -4;
static PREV_R2 = -3; static PREV_G2 = -2; static PREV_B2 = -1;
static R = 1; static G = 2; static B = 3; static A = 4; static R2 = 5; static G2 = 6; static B2 = 7;
slotIndex: number;
frames: ArrayLike<number>; // time, r, g, b, a, r2, g2, b2, ...
constructor (frameCount: number) {
super(frameCount);
this.frames = Utils.newFloatArray(frameCount * TwoColorTimeline.ENTRIES);
}
getPropertyId () {
return (TimelineType.twoColor << 24) + this.slotIndex;
}
/** Sets the time and value of the specified keyframe. */
setFrame (frameIndex: number, time: number, r: number, g: number, b: number, a: number, r2: number, g2: number, b2: number) {
frameIndex *= TwoColorTimeline.ENTRIES;
this.frames[frameIndex] = time;
this.frames[frameIndex + TwoColorTimeline.R] = r;
this.frames[frameIndex + TwoColorTimeline.G] = g;
this.frames[frameIndex + TwoColorTimeline.B] = b;
this.frames[frameIndex + TwoColorTimeline.A] = a;
this.frames[frameIndex + TwoColorTimeline.R2] = r2;
this.frames[frameIndex + TwoColorTimeline.G2] = g2;
this.frames[frameIndex + TwoColorTimeline.B2] = b2;
}
apply (skeleton: Skeleton, lastTime: number, time: number, events: Array<Event>, alpha: number, blend: MixBlend, direction: MixDirection) {
let slot = skeleton.slots[this.slotIndex];
let frames = this.frames;
if (time < frames[0]) {
switch (blend) {
case MixBlend.setup:
slot.color.setFromColor(slot.data.color);
slot.darkColor.setFromColor(slot.data.darkColor);
return;
case MixBlend.first:
let light = slot.color, dark = slot.darkColor, setupLight = slot.data.color, setupDark = slot.data.darkColor;
light.add((setupLight.r - light.r) * alpha, (setupLight.g - light.g) * alpha, (setupLight.b - light.b) * alpha,
(setupLight.a - light.a) * alpha);
dark.add((setupDark.r - dark.r) * alpha, (setupDark.g - dark.g) * alpha, (setupDark.b - dark.b) * alpha, 0);
}
return;
}
let r = 0, g = 0, b = 0, a = 0, r2 = 0, g2 = 0, b2 = 0;
if (time >= frames[frames.length - TwoColorTimeline.ENTRIES]) { // Time is after last frame.
let i = frames.length;
r = frames[i + TwoColorTimeline.PREV_R];
g = frames[i + TwoColorTimeline.PREV_G];
b = frames[i + TwoColorTimeline.PREV_B];
a = frames[i + TwoColorTimeline.PREV_A];
r2 = frames[i + TwoColorTimeline.PREV_R2];
g2 = frames[i + TwoColorTimeline.PREV_G2];
b2 = frames[i + TwoColorTimeline.PREV_B2];
} else {
// Interpolate between the previous frame and the current frame.
let frame = Animation.binarySearch(frames, time, TwoColorTimeline.ENTRIES);
r = frames[frame + TwoColorTimeline.PREV_R];
g = frames[frame + TwoColorTimeline.PREV_G];
b = frames[frame + TwoColorTimeline.PREV_B];
a = frames[frame + TwoColorTimeline.PREV_A];
r2 = frames[frame + TwoColorTimeline.PREV_R2];
g2 = frames[frame + TwoColorTimeline.PREV_G2];
b2 = frames[frame + TwoColorTimeline.PREV_B2];
let frameTime = frames[frame];
let percent = this.getCurvePercent(frame / TwoColorTimeline.ENTRIES - 1,
1 - (time - frameTime) / (frames[frame + TwoColorTimeline.PREV_TIME] - frameTime));
r += (frames[frame + TwoColorTimeline.R] - r) * percent;
g += (frames[frame + TwoColorTimeline.G] - g) * percent;
b += (frames[frame + TwoColorTimeline.B] - b) * percent;
a += (frames[frame + TwoColorTimeline.A] - a) * percent;
r2 += (frames[frame + TwoColorTimeline.R2] - r2) * percent;
g2 += (frames[frame + TwoColorTimeline.G2] - g2) * percent;
b2 += (frames[frame + TwoColorTimeline.B2] - b2) * percent;
}
if (alpha == 1) {
slot.color.set(r, g, b, a);
slot.darkColor.set(r2, g2, b2, 1);
} else {
let light = slot.color, dark = slot.darkColor;
if (blend == MixBlend.setup) {
light.setFromColor(slot.data.color);
dark.setFromColor(slot.data.darkColor);
}
light.add((r - light.r) * alpha, (g - light.g) * alpha, (b - light.b) * alpha, (a - light.a) * alpha);
dark.add((r2 - dark.r) * alpha, (g2 - dark.g) * alpha, (b2 - dark.b) * alpha, 0);
}
}
}
export class AttachmentTimeline implements Timeline {
slotIndex: number;
frames: ArrayLike<number> // time, ...
attachmentNames: Array<string>;
constructor (frameCount: number) {
this.frames = Utils.newFloatArray(frameCount);
this.attachmentNames = new Array<string>(frameCount);
}
getPropertyId () {
return (TimelineType.attachment << 24) + this.slotIndex;
}
getFrameCount () {
return this.frames.length;
}
/** Sets the time and value of the specified keyframe. */
setFrame (frameIndex: number, time: number, attachmentName: string) {
this.frames[frameIndex] = time;
this.attachmentNames[frameIndex] = attachmentName;
}
apply (skeleton: Skeleton, lastTime: number, time: number, events: Array<Event>, alpha: number, blend: MixBlend, direction: MixDirection) {
let slot = skeleton.slots[this.slotIndex];
if (direction == MixDirection.out && blend == MixBlend.setup) {
let attachmentName = slot.data.attachmentName;
slot.setAttachment(attachmentName == null ? null : skeleton.getAttachment(this.slotIndex, attachmentName));
return;
}
let frames = this.frames;
if (time < frames[0]) {
if (blend == MixBlend.setup || blend == MixBlend.first) {
let attachmentName = slot.data.attachmentName;
slot.setAttachment(attachmentName == null ? null : skeleton.getAttachment(this.slotIndex, attachmentName));
}
return;
}
let frameIndex = 0;
if (time >= frames[frames.length - 1]) // Time is after last frame.
frameIndex = frames.length - 1;
else
frameIndex = Animation.binarySearch(frames, time, 1) - 1;
let attachmentName = this.attachmentNames[frameIndex];
skeleton.slots[this.slotIndex]
.setAttachment(attachmentName == null ? null : skeleton.getAttachment(this.slotIndex, attachmentName));
}
}
let zeros : ArrayLike<number> = null;
export class DeformTimeline extends CurveTimeline {
slotIndex: number;
attachment: VertexAttachment;
frames: ArrayLike<number>; // time, ...
frameVertices: Array<ArrayLike<number>>;
constructor (frameCount: number) {
super(frameCount);
this.frames = Utils.newFloatArray(frameCount);
this.frameVertices = new Array<ArrayLike<number>>(frameCount);
if (zeros == null) zeros = Utils.newFloatArray(64);
}
getPropertyId () {
return (TimelineType.deform << 27) + + this.attachment.id + this.slotIndex;
}
/** Sets the time of the specified keyframe. */
setFrame (frameIndex: number, time: number, vertices: ArrayLike<number>) {
this.frames[frameIndex] = time;
this.frameVertices[frameIndex] = vertices;
}
apply (skeleton: Skeleton, lastTime: number, time: number, firedEvents: Array<Event>, alpha: number, blend: MixBlend, direction: MixDirection) {
let slot: Slot = skeleton.slots[this.slotIndex];
let slotAttachment: Attachment = slot.getAttachment();
if (!(slotAttachment instanceof VertexAttachment) || !(<VertexAttachment>slotAttachment).applyDeform(this.attachment)) return;
let deformArray: Array<number> = slot.deform;
if (deformArray.length == 0) blend = MixBlend.setup;
let frameVertices = this.frameVertices;
let vertexCount = frameVertices[0].length;
let frames = this.frames;
if (time < frames[0]) {
let vertexAttachment = <VertexAttachment>slotAttachment;
switch (blend) {
case MixBlend.setup:
deformArray.length = 0;
return;
case MixBlend.first:
if (alpha == 1) {
deformArray.length = 0;
break;
}
let deform: Array<number> = Utils.setArraySize(deformArray, vertexCount);
if (vertexAttachment.bones == null) {
// Unweighted vertex positions.
let setupVertices = vertexAttachment.vertices;
for (var i = 0; i < vertexCount; i++)
deform[i] += (setupVertices[i] - deform[i]) * alpha;
} else {
// Weighted deform offsets.
alpha = 1 - alpha;
for (var i = 0; i < vertexCount; i++)
deform[i] *= alpha;
}
}
return;
}
let deform: Array<number> = Utils.setArraySize(deformArray, vertexCount);
if (time >= frames[frames.length - 1]) { // Time is after last frame.
let lastVertices = frameVertices[frames.length - 1];
if (alpha == 1) {
if (blend == MixBlend.add) {
let vertexAttachment = slotAttachment as VertexAttachment;
if (vertexAttachment.bones == null) {
// Unweighted vertex positions, with alpha.
let setupVertices = vertexAttachment.vertices;
for (let i = 0; i < vertexCount; i++) {
deform[i] += lastVertices[i] - setupVertices[i];
}
} else {
// Weighted deform offsets, with alpha.
for (let i = 0; i < vertexCount; i++)
deform[i] += lastVertices[i];
}
} else {
Utils.arrayCopy(lastVertices, 0, deform, 0, vertexCount);
}
} else {
switch (blend) {
case MixBlend.setup: {
let vertexAttachment = slotAttachment as VertexAttachment;
if (vertexAttachment.bones == null) {
// Unweighted vertex positions, with alpha.
let setupVertices = vertexAttachment.vertices;
for (let i = 0; i < vertexCount; i++) {
let setup = setupVertices[i];
deform[i] = setup + (lastVertices[i] - setup) * alpha;
}
} else {
// Weighted deform offsets, with alpha.
for (let i = 0; i < vertexCount; i++)
deform[i] = lastVertices[i] * alpha;
}
break;
}
case MixBlend.first:
case MixBlend.replace:
for (let i = 0; i < vertexCount; i++)
deform[i] += (lastVertices[i] - deform[i]) * alpha;
case MixBlend.add:
let vertexAttachment = slotAttachment as VertexAttachment;
if (vertexAttachment.bones == null) {
// Unweighted vertex positions, with alpha.
let setupVertices = vertexAttachment.vertices;
for (let i = 0; i < vertexCount; i++) {
deform[i] += (lastVertices[i] - setupVertices[i]) * alpha;
}
} else {
// Weighted deform offsets, with alpha.
for (let i = 0; i < vertexCount; i++)
deform[i] += lastVertices[i] * alpha;
}
}
}
return;
}
// Interpolate between the previous frame and the current frame.
let frame = Animation.binarySearch(frames, time);
let prevVertices = frameVertices[frame - 1];
let nextVertices = frameVertices[frame];
let frameTime = frames[frame];
let percent = this.getCurvePercent(frame - 1, 1 - (time - frameTime) / (frames[frame - 1] - frameTime));
if (alpha == 1) {
if (blend == MixBlend.add) {
let vertexAttachment = slotAttachment as VertexAttachment;
if (vertexAttachment.bones == null) {
// Unweighted vertex positions, with alpha.
let setupVertices = vertexAttachment.vertices;
for (let i = 0; i < vertexCount; i++) {
let prev = prevVertices[i];
deform[i] += prev + (nextVertices[i] - prev) * percent - setupVertices[i];
}
} else {
// Weighted deform offsets, with alpha.
for (let i = 0; i < vertexCount; i++) {
let prev = prevVertices[i];
deform[i] += prev + (nextVertices[i] - prev) * percent;
}
}
} else {
for (let i = 0; i < vertexCount; i++) {
let prev = prevVertices[i];
deform[i] = prev + (nextVertices[i] - prev) * percent;
}
}
} else {
switch (blend) {
case MixBlend.setup: {
let vertexAttachment = slotAttachment as VertexAttachment;
if (vertexAttachment.bones == null) {
// Unweighted vertex positions, with alpha.
let setupVertices = vertexAttachment.vertices;
for (let i = 0; i < vertexCount; i++) {
let prev = prevVertices[i], setup = setupVertices[i];
deform[i] = setup + (prev + (nextVertices[i] - prev) * percent - setup) * alpha;
}
} else {
// Weighted deform offsets, with alpha.
for (let i = 0; i < vertexCount; i++) {
let prev = prevVertices[i];
deform[i] = (prev + (nextVertices[i] - prev) * percent) * alpha;
}
}
break;
}
case MixBlend.first:
case MixBlend.replace:
for (let i = 0; i < vertexCount; i++) {
let prev = prevVertices[i];
deform[i] += (prev + (nextVertices[i] - prev) * percent - deform[i]) * alpha;
}
break;
case MixBlend.add:
let vertexAttachment = slotAttachment as VertexAttachment;
if (vertexAttachment.bones == null) {
// Unweighted vertex positions, with alpha.
let setupVertices = vertexAttachment.vertices;
for (let i = 0; i < vertexCount; i++) {
let prev = prevVertices[i];
deform[i] += (prev + (nextVertices[i] - prev) * percent - setupVertices[i]) * alpha;
}
} else {
// Weighted deform offsets, with alpha.
for (let i = 0; i < vertexCount; i++) {
let prev = prevVertices[i];
deform[i] += (prev + (nextVertices[i] - prev) * percent) * alpha;
}
}
}
}
}
}
export class EventTimeline implements Timeline {
frames: ArrayLike<number>; // time, ...
events: Array<Event>;
constructor (frameCount: number) {
this.frames = Utils.newFloatArray(frameCount);
this.events = new Array<Event>(frameCount);
}
getPropertyId () {
return TimelineType.event << 24;
}
getFrameCount () {
return this.frames.length;
}
/** Sets the time of the specified keyframe. */
setFrame (frameIndex: number, event: Event) {
this.frames[frameIndex] = event.time;
this.events[frameIndex] = event;
}
/** Fires events for frames > lastTime and <= time. */
apply (skeleton: Skeleton, lastTime: number, time: number, firedEvents: Array<Event>, alpha: number, blend: MixBlend, direction: MixDirection) {
if (firedEvents == null) return;
let frames = this.frames;
let frameCount = this.frames.length;
if (lastTime > time) { // Fire events after last time for looped animations.
this.apply(skeleton, lastTime, Number.MAX_VALUE, firedEvents, alpha, blend, direction);
lastTime = -1;
} else if (lastTime >= frames[frameCount - 1]) // Last time is after last frame.
return;
if (time < frames[0]) return; // Time is before first frame.
let frame = 0;
if (lastTime < frames[0])
frame = 0;
else {
frame = Animation.binarySearch(frames, lastTime);
let frameTime = frames[frame];
while (frame > 0) { // Fire multiple events with the same frame.
if (frames[frame - 1] != frameTime) break;
frame--;
}
}
for (; frame < frameCount && time >= frames[frame]; frame++)
firedEvents.push(this.events[frame]);
}
}
export class DrawOrderTimeline implements Timeline {
frames: ArrayLike<number>; // time, ...
drawOrders: Array<Array<number>>;
constructor (frameCount: number) {
this.frames = Utils.newFloatArray(frameCount);
this.drawOrders = new Array<Array<number>>(frameCount);
}
getPropertyId () {
return TimelineType.drawOrder << 24;
}
getFrameCount () {
return this.frames.length;
}
/** Sets the time of the specified keyframe.
* @param drawOrder May be null to use bind pose draw order. */
setFrame (frameIndex: number, time: number, drawOrder: Array<number>) {
this.frames[frameIndex] = time;
this.drawOrders[frameIndex] = drawOrder;
}
apply (skeleton: Skeleton, lastTime: number, time: number, firedEvents: Array<Event>, alpha: number, blend: MixBlend, direction: MixDirection) {
let drawOrder: Array<Slot> = skeleton.drawOrder;
let slots: Array<Slot> = skeleton.slots;
if (direction == MixDirection.out && blend == MixBlend.setup) {
Utils.arrayCopy(skeleton.slots, 0, skeleton.drawOrder, 0, skeleton.slots.length);
return;
}
let frames = this.frames;
if (time < frames[0]) {
if (blend == MixBlend.setup || blend == MixBlend.first) Utils.arrayCopy(skeleton.slots, 0, skeleton.drawOrder, 0, skeleton.slots.length);
return;
}
let frame = 0;
if (time >= frames[frames.length - 1]) // Time is after last frame.
frame = frames.length - 1;
else
frame = Animation.binarySearch(frames, time) - 1;
let drawOrderToSetupIndex = this.drawOrders[frame];
if (drawOrderToSetupIndex == null)
Utils.arrayCopy(slots, 0, drawOrder, 0, slots.length);
else {
for (let i = 0, n = drawOrderToSetupIndex.length; i < n; i++)
drawOrder[i] = slots[drawOrderToSetupIndex[i]];
}
}
}
export class IkConstraintTimeline extends CurveTimeline {
static ENTRIES = 5;
static PREV_TIME = -5; static PREV_MIX = -4; static PREV_BEND_DIRECTION = -3; static PREV_COMPRESS = -2; static PREV_STRETCH = -1;
static MIX = 1; static BEND_DIRECTION = 2; static COMPRESS = 3; static STRETCH = 4;
ikConstraintIndex: number;
frames: ArrayLike<number>; // time, mix, bendDirection, compress, stretch, ...
constructor (frameCount: number) {
super(frameCount);
this.frames = Utils.newFloatArray(frameCount * IkConstraintTimeline.ENTRIES);
}
getPropertyId () {
return (TimelineType.ikConstraint << 24) + this.ikConstraintIndex;
}
/** Sets the time, mix and bend direction of the specified keyframe. */
setFrame (frameIndex: number, time: number, mix: number, bendDirection: number, compress: boolean, stretch: boolean) {
frameIndex *= IkConstraintTimeline.ENTRIES;
this.frames[frameIndex] = time;
this.frames[frameIndex + IkConstraintTimeline.MIX] = mix;
this.frames[frameIndex + IkConstraintTimeline.BEND_DIRECTION] = bendDirection;
this.frames[frameIndex + IkConstraintTimeline.COMPRESS] = compress ? 1 : 0;
this.frames[frameIndex + IkConstraintTimeline.STRETCH] = stretch ? 1 : 0;
}
apply (skeleton: Skeleton, lastTime: number, time: number, firedEvents: Array<Event>, alpha: number, blend: MixBlend, direction: MixDirection) {
let frames = this.frames;
let constraint: IkConstraint = skeleton.ikConstraints[this.ikConstraintIndex];
if (time < frames[0]) {
switch (blend) {
case MixBlend.setup:
constraint.mix = constraint.data.mix;
constraint.bendDirection = constraint.data.bendDirection;
constraint.compress = constraint.data.compress;
constraint.stretch = constraint.data.stretch;
return;
case MixBlend.first:
constraint.mix += (constraint.data.mix - constraint.mix) * alpha;
constraint.bendDirection = constraint.data.bendDirection;
constraint.compress = constraint.data.compress;
constraint.stretch = constraint.data.stretch;
}
return;
}
if (time >= frames[frames.length - IkConstraintTimeline.ENTRIES]) { // Time is after last frame.
if (blend == MixBlend.setup) {
constraint.mix = constraint.data.mix + (frames[frames.length + IkConstraintTimeline.PREV_MIX] - constraint.data.mix) * alpha;
if (direction == MixDirection.out) {
constraint.bendDirection = constraint.data.bendDirection;
constraint.compress = constraint.data.compress;
constraint.stretch = constraint.data.stretch;
} else {
constraint.bendDirection = frames[frames.length + IkConstraintTimeline.PREV_BEND_DIRECTION]
constraint.compress = frames[frames.length + IkConstraintTimeline.PREV_COMPRESS] != 0;
constraint.stretch = frames[frames.length + IkConstraintTimeline.PREV_STRETCH] != 0;
}
} else {
constraint.mix += (frames[frames.length + IkConstraintTimeline.PREV_MIX] - constraint.mix) * alpha;
if (direction == MixDirection.in) {
constraint.bendDirection = frames[frames.length + IkConstraintTimeline.PREV_BEND_DIRECTION];
constraint.compress = frames[frames.length + IkConstraintTimeline.PREV_COMPRESS] != 0;
constraint.stretch = frames[frames.length + IkConstraintTimeline.PREV_STRETCH] != 0;
}
}
return;
}
// Interpolate between the previous frame and the current frame.
let frame = Animation.binarySearch(frames, time, IkConstraintTimeline.ENTRIES);
let mix = frames[frame + IkConstraintTimeline.PREV_MIX];
let frameTime = frames[frame];
let percent = this.getCurvePercent(frame / IkConstraintTimeline.ENTRIES - 1,
1 - (time - frameTime) / (frames[frame + IkConstraintTimeline.PREV_TIME] - frameTime));
if (blend == MixBlend.setup) {
constraint.mix = constraint.data.mix + (mix + (frames[frame + IkConstraintTimeline.MIX] - mix) * percent - constraint.data.mix) * alpha;
if (direction == MixDirection.out) {
constraint.bendDirection = constraint.data.bendDirection;
constraint.compress = constraint.data.compress;
constraint.stretch = constraint.data.stretch;
} else {
constraint.bendDirection = frames[frame + IkConstraintTimeline.PREV_BEND_DIRECTION];
constraint.compress = frames[frame + IkConstraintTimeline.PREV_COMPRESS] != 0;
constraint.stretch = frames[frame + IkConstraintTimeline.PREV_STRETCH] != 0;
}
} else {
constraint.mix += (mix + (frames[frame + IkConstraintTimeline.MIX] - mix) * percent - constraint.mix) * alpha;
if (direction == MixDirection.in) {
constraint.bendDirection = frames[frame + IkConstraintTimeline.PREV_BEND_DIRECTION];
constraint.compress = frames[frame + IkConstraintTimeline.PREV_COMPRESS] != 0;
constraint.stretch = frames[frame + IkConstraintTimeline.PREV_STRETCH] != 0;
}
}
}
}
export class TransformConstraintTimeline extends CurveTimeline {
static ENTRIES = 5;
static PREV_TIME = -5; static PREV_ROTATE = -4; static PREV_TRANSLATE = -3; static PREV_SCALE = -2; static PREV_SHEAR = -1;
static ROTATE = 1; static TRANSLATE = 2; static SCALE = 3; static SHEAR = 4;
transformConstraintIndex: number;
frames: ArrayLike<number>; // time, rotate mix, translate mix, scale mix, shear mix, ...
constructor (frameCount: number) {
super(frameCount);
this.frames = Utils.newFloatArray(frameCount * TransformConstraintTimeline.ENTRIES);
}
getPropertyId () {
return (TimelineType.transformConstraint << 24) + this.transformConstraintIndex;
}
/** Sets the time and mixes of the specified keyframe. */
setFrame (frameIndex: number, time: number, rotateMix: number, translateMix: number, scaleMix: number, shearMix: number) {
frameIndex *= TransformConstraintTimeline.ENTRIES;
this.frames[frameIndex] = time;
this.frames[frameIndex + TransformConstraintTimeline.ROTATE] = rotateMix;
this.frames[frameIndex + TransformConstraintTimeline.TRANSLATE] = translateMix;
this.frames[frameIndex + TransformConstraintTimeline.SCALE] = scaleMix;
this.frames[frameIndex + TransformConstraintTimeline.SHEAR] = shearMix;
}
apply (skeleton: Skeleton, lastTime: number, time: number, firedEvents: Array<Event>, alpha: number, blend: MixBlend, direction: MixDirection) {
let frames = this.frames;
let constraint: TransformConstraint = skeleton.transformConstraints[this.transformConstraintIndex];
if (time < frames[0]) {
let data = constraint.data;
switch (blend) {
case MixBlend.setup:
constraint.rotateMix = data.rotateMix;
constraint.translateMix = data.translateMix;
constraint.scaleMix = data.scaleMix;
constraint.shearMix = data.shearMix;
return;
case MixBlend.first:
constraint.rotateMix += (data.rotateMix - constraint.rotateMix) * alpha;
constraint.translateMix += (data.translateMix - constraint.translateMix) * alpha;
constraint.scaleMix += (data.scaleMix - constraint.scaleMix) * alpha;
constraint.shearMix += (data.shearMix - constraint.shearMix) * alpha;
}
return;
}
let rotate = 0, translate = 0, scale = 0, shear = 0;
if (time >= frames[frames.length - TransformConstraintTimeline.ENTRIES]) { // Time is after last frame.
let i = frames.length;
rotate = frames[i + TransformConstraintTimeline.PREV_ROTATE];
translate = frames[i + TransformConstraintTimeline.PREV_TRANSLATE];
scale = frames[i + TransformConstraintTimeline.PREV_SCALE];
shear = frames[i + TransformConstraintTimeline.PREV_SHEAR];
} else {
// Interpolate between the previous frame and the current frame.
let frame = Animation.binarySearch(frames, time, TransformConstraintTimeline.ENTRIES);
rotate = frames[frame + TransformConstraintTimeline.PREV_ROTATE];
translate = frames[frame + TransformConstraintTimeline.PREV_TRANSLATE];
scale = frames[frame + TransformConstraintTimeline.PREV_SCALE];
shear = frames[frame + TransformConstraintTimeline.PREV_SHEAR];
let frameTime = frames[frame];
let percent = this.getCurvePercent(frame / TransformConstraintTimeline.ENTRIES - 1,
1 - (time - frameTime) / (frames[frame + TransformConstraintTimeline.PREV_TIME] - frameTime));
rotate += (frames[frame + TransformConstraintTimeline.ROTATE] - rotate) * percent;
translate += (frames[frame + TransformConstraintTimeline.TRANSLATE] - translate) * percent;
scale += (frames[frame + TransformConstraintTimeline.SCALE] - scale) * percent;
shear += (frames[frame + TransformConstraintTimeline.SHEAR] - shear) * percent;
}
if (blend == MixBlend.setup) {
let data = constraint.data;
constraint.rotateMix = data.rotateMix + (rotate - data.rotateMix) * alpha;
constraint.translateMix = data.translateMix + (translate - data.translateMix) * alpha;
constraint.scaleMix = data.scaleMix + (scale - data.scaleMix) * alpha;
constraint.shearMix = data.shearMix + (shear - data.shearMix) * alpha;
} else {
constraint.rotateMix += (rotate - constraint.rotateMix) * alpha;
constraint.translateMix += (translate - constraint.translateMix) * alpha;
constraint.scaleMix += (scale - constraint.scaleMix) * alpha;
constraint.shearMix += (shear - constraint.shearMix) * alpha;
}
}
}
export class PathConstraintPositionTimeline extends CurveTimeline {
static ENTRIES = 2;
static PREV_TIME = -2; static PREV_VALUE = -1;
static VALUE = 1;
pathConstraintIndex: number;
frames: ArrayLike<number>; // time, position, ...
constructor (frameCount: number) {
super(frameCount);
this.frames = Utils.newFloatArray(frameCount * PathConstraintPositionTimeline.ENTRIES);
}
getPropertyId () {
return (TimelineType.pathConstraintPosition << 24) + this.pathConstraintIndex;
}
/** Sets the time and value of the specified keyframe. */
setFrame (frameIndex: number, time: number, value: number) {
frameIndex *= PathConstraintPositionTimeline.ENTRIES;
this.frames[frameIndex] = time;
this.frames[frameIndex + PathConstraintPositionTimeline.VALUE] = value;
}
apply (skeleton: Skeleton, lastTime: number, time: number, firedEvents: Array<Event>, alpha: number, blend: MixBlend, direction: MixDirection) {
let frames = this.frames;
let constraint: PathConstraint = skeleton.pathConstraints[this.pathConstraintIndex];
if (time < frames[0]) {
switch (blend) {
case MixBlend.setup:
constraint.position = constraint.data.position;
return;
case MixBlend.first:
constraint.position += (constraint.data.position - constraint.position) * alpha;
}
return;
}
let position = 0;
if (time >= frames[frames.length - PathConstraintPositionTimeline.ENTRIES]) // Time is after last frame.
position = frames[frames.length + PathConstraintPositionTimeline.PREV_VALUE];
else {
// Interpolate between the previous frame and the current frame.
let frame = Animation.binarySearch(frames, time, PathConstraintPositionTimeline.ENTRIES);
position = frames[frame + PathConstraintPositionTimeline.PREV_VALUE];
let frameTime = frames[frame];
let percent = this.getCurvePercent(frame / PathConstraintPositionTimeline.ENTRIES - 1,
1 - (time - frameTime) / (frames[frame + PathConstraintPositionTimeline.PREV_TIME] - frameTime));
position += (frames[frame + PathConstraintPositionTimeline.VALUE] - position) * percent;
}
if (blend == MixBlend.setup)
constraint.position = constraint.data.position + (position - constraint.data.position) * alpha;
else
constraint.position += (position - constraint.position) * alpha;
}
}
export class PathConstraintSpacingTimeline extends PathConstraintPositionTimeline {
constructor (frameCount: number) {
super(frameCount);
}
getPropertyId () {
return (TimelineType.pathConstraintSpacing << 24) + this.pathConstraintIndex;
}
apply (skeleton: Skeleton, lastTime: number, time: number, firedEvents: Array<Event>, alpha: number, blend: MixBlend, direction: MixDirection) {
let frames = this.frames;
let constraint: PathConstraint = skeleton.pathConstraints[this.pathConstraintIndex];
if (time < frames[0]) {
switch (blend) {
case MixBlend.setup:
constraint.spacing = constraint.data.spacing;
return;
case MixBlend.first:
constraint.spacing += (constraint.data.spacing - constraint.spacing) * alpha;
}
return;
}
let spacing = 0;
if (time >= frames[frames.length - PathConstraintSpacingTimeline.ENTRIES]) // Time is after last frame.
spacing = frames[frames.length + PathConstraintSpacingTimeline.PREV_VALUE];
else {
// Interpolate between the previous frame and the current frame.
let frame = Animation.binarySearch(frames, time, PathConstraintSpacingTimeline.ENTRIES);
spacing = frames[frame + PathConstraintSpacingTimeline.PREV_VALUE];
let frameTime = frames[frame];
let percent = this.getCurvePercent(frame / PathConstraintSpacingTimeline.ENTRIES - 1,
1 - (time - frameTime) / (frames[frame + PathConstraintSpacingTimeline.PREV_TIME] - frameTime));
spacing += (frames[frame + PathConstraintSpacingTimeline.VALUE] - spacing) * percent;
}
if (blend == MixBlend.setup)
constraint.spacing = constraint.data.spacing + (spacing - constraint.data.spacing) * alpha;
else
constraint.spacing += (spacing - constraint.spacing) * alpha;
}
}
export class PathConstraintMixTimeline extends CurveTimeline {
static ENTRIES = 3;
static PREV_TIME = -3; static PREV_ROTATE = -2; static PREV_TRANSLATE = -1;
static ROTATE = 1; static TRANSLATE = 2;
pathConstraintIndex: number;
frames: ArrayLike<number>; // time, rotate mix, translate mix, ...
constructor (frameCount: number) {
super(frameCount);
this.frames = Utils.newFloatArray(frameCount * PathConstraintMixTimeline.ENTRIES);
}
getPropertyId () {
return (TimelineType.pathConstraintMix << 24) + this.pathConstraintIndex;
}
/** Sets the time and mixes of the specified keyframe. */
setFrame (frameIndex: number, time: number, rotateMix: number, translateMix: number) {
frameIndex *= PathConstraintMixTimeline.ENTRIES;
this.frames[frameIndex] = time;
this.frames[frameIndex + PathConstraintMixTimeline.ROTATE] = rotateMix;
this.frames[frameIndex + PathConstraintMixTimeline.TRANSLATE] = translateMix;
}
apply (skeleton: Skeleton, lastTime: number, time: number, firedEvents: Array<Event>, alpha: number, blend: MixBlend, direction: MixDirection) {
let frames = this.frames;
let constraint: PathConstraint = skeleton.pathConstraints[this.pathConstraintIndex];
if (time < frames[0]) {
switch (blend) {
case MixBlend.setup:
constraint.rotateMix = constraint.data.rotateMix;
constraint.translateMix = constraint.data.translateMix;
return;
case MixBlend.first:
constraint.rotateMix += (constraint.data.rotateMix - constraint.rotateMix) * alpha;
constraint.translateMix += (constraint.data.translateMix - constraint.translateMix) * alpha;
}
return;
}
let rotate = 0, translate = 0;
if (time >= frames[frames.length - PathConstraintMixTimeline.ENTRIES]) { // Time is after last frame.
rotate = frames[frames.length + PathConstraintMixTimeline.PREV_ROTATE];
translate = frames[frames.length + PathConstraintMixTimeline.PREV_TRANSLATE];
} else {
// Interpolate between the previous frame and the current frame.
let frame = Animation.binarySearch(frames, time, PathConstraintMixTimeline.ENTRIES);
rotate = frames[frame + PathConstraintMixTimeline.PREV_ROTATE];
translate = frames[frame + PathConstraintMixTimeline.PREV_TRANSLATE];
let frameTime = frames[frame];
let percent = this.getCurvePercent(frame / PathConstraintMixTimeline.ENTRIES - 1,
1 - (time - frameTime) / (frames[frame + PathConstraintMixTimeline.PREV_TIME] - frameTime));
rotate += (frames[frame + PathConstraintMixTimeline.ROTATE] - rotate) * percent;
translate += (frames[frame + PathConstraintMixTimeline.TRANSLATE] - translate) * percent;
}
if (blend == MixBlend.setup) {
constraint.rotateMix = constraint.data.rotateMix + (rotate - constraint.data.rotateMix) * alpha;
constraint.translateMix = constraint.data.translateMix + (translate - constraint.data.translateMix) * alpha;
} else {
constraint.rotateMix += (rotate - constraint.rotateMix) * alpha;
constraint.translateMix += (translate - constraint.translateMix) * alpha;
}
}
}
}