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Minor improvements.

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Think she's done! Just need 3 path timelines.
This commit is contained in:
NathanSweet 2016-06-06 11:52:49 +02:00
parent 5cfa647ce2
commit 932808bd06
1 changed files with 26 additions and 20 deletions
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46
spine-libgdx/spine-libgdx/src/com/esotericsoftware/spine/PathConstraint.java
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@ -18,7 +18,7 @@ public class PathConstraint implements Updatable {
Slot target;
float position, spacing, rotateMix, translateMix;
final FloatArray spaces = new FloatArray(), positions = new FloatArray(), temp = new FloatArray();
FloatArray spaces = new FloatArray(), positions = new FloatArray(), temp = new FloatArray();
public PathConstraint (PathConstraintData data, Skeleton skeleton) {
if (data == null) throw new IllegalArgumentException("data cannot be null.");
@ -58,12 +58,19 @@ public class PathConstraint implements Updatable {
if (!(attachment instanceof PathAttachment)) return;
float rotateMix = this.rotateMix, translateMix = this.translateMix;
RotateMode rotateMode = data.rotateMode;
SpacingMode spacingMode = data.spacingMode;
boolean translate = translateMix > 0, rotate = rotateMix > 0;
if (!translate && !rotate) return;
// BOZO!
spaces = new FloatArray();
positions = new FloatArray();
temp = new FloatArray();
PathAttachment path = (PathAttachment)attachment;
PathConstraintData data = this.data;
SpacingMode spacingMode = data.spacingMode;
RotateMode rotateMode = data.rotateMode;
float offsetRotation = data.offsetRotation;
FloatArray spacesArray = this.spaces;
spacesArray.clear();
spacesArray.add(0);
@ -77,7 +84,7 @@ public class PathConstraint implements Updatable {
bone.worldY += (positions[1] - bone.worldY) * translateMix;
if (rotate) {
float a = bone.a, b = bone.b, c = bone.c, d = bone.d;
float r = positions[2] - atan2(c, a) + data.offsetRotation * degRad;
float r = positions[2] - atan2(c, a) + offsetRotation * degRad;
if (r > PI)
r -= PI2;
else if (r < -PI) r += PI2;
@ -94,7 +101,7 @@ public class PathConstraint implements Updatable {
float[] spaces;
float spacing = this.spacing;
boolean scale = rotateMode == RotateMode.chainScale, lengthMode = spacingMode == SpacingMode.length;
if (!scale || lengthMode) {
if (scale || lengthMode) {
spaces = spacesArray.setSize(1 + boneCount * 2);
for (int i = 0; i < boneCount;) {
Bone bone = bones.get(i++);
@ -112,7 +119,7 @@ public class PathConstraint implements Updatable {
boolean tangents = rotateMode == RotateMode.tangent;
float[] positions = computeWorldPositions(path, tangents, spacingMode == SpacingMode.percent);
float boneX = positions[0], boneY = positions[1], offsetRotation = data.offsetRotation;
float boneX = positions[0], boneY = positions[1];
boolean tip = rotateMode == RotateMode.chain && offsetRotation == 0;
for (int i = 0, p = 3; i < boneCount; p += 3) {
Bone bone = bones.get(i++);
@ -321,15 +328,15 @@ public class PathConstraint implements Updatable {
// Curve segment lengths, 0 to 9.
if (curve != lastCurve) {
lastCurve = curve;
int index = verticesStart + (curve - 10) * 6;
x1 = temp[index];
y1 = temp[index + 1];
cx1 = temp[index + 2];
cy1 = temp[index + 3];
cx2 = temp[index + 4];
cy2 = temp[index + 5];
x2 = temp[index + 6];
y2 = temp[index + 7];
int ii = verticesStart + (curve - 10) * 6;
x1 = temp[ii];
y1 = temp[ii + 1];
cx1 = temp[ii + 2];
cy1 = temp[ii + 3];
cx2 = temp[ii + 4];
cy2 = temp[ii + 5];
x2 = temp[ii + 6];
y2 = temp[ii + 7];
tmpx = (x1 - cx1 * 2 + cx2) * 0.03f;
tmpy = (y1 - cy1 * 2 + cy2) * 0.03f;
dddfx = ((cx1 - cx2) * 3 - x1 + x2) * 0.006f;
@ -340,7 +347,7 @@ public class PathConstraint implements Updatable {
dfy = (cy1 - y1) * 0.3f + tmpy + dddfy * 0.16666667f;
curveLength = (float)Math.sqrt(dfx * dfx + dfy * dfy);
temp[0] = curveLength;
for (int ii = 1; ii < 8; ii++) {
for (ii = 1; ii < 8; ii++) {
dfx += ddfx;
dfy += ddfy;
ddfx += dddfx;
@ -365,17 +372,16 @@ public class PathConstraint implements Updatable {
float length = temp[segment];
if (p > length) continue;
if (segment == 0)
p = 0.1f * p / length;
p /= length;
else {
float prev = temp[segment - 1];
p = 0.1f * (segment + (p - prev) / (length - prev));
p = segment + (p - prev) / (length - prev);
}
break;
}
addCurvePosition(p, x1, y1, cx1, cy1, cx2, cy2, x2, y2, out, o, tangents || (space == 0 && i > 0));
addCurvePosition(p * 0.1f, x1, y1, cx1, cy1, cx2, cy2, x2, y2, out, o, tangents || (space == 0 && i > 0));
}
return out;
}