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[libgdx] Don't mix from uninitialized vertices. Clear vertices instead of leaving them in current state before first key when alpha is 1. More efficient clearing of deform before first key.

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This commit is contained in:
NathanSweet 2017-10-10 19:11:20 +02:00
parent 4d7d448197
commit 33d4c60ac7
1 changed files with 10 additions and 14 deletions
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24
spine-libgdx/spine-libgdx/src/com/esotericsoftware/spine/Animation.java
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@ -862,8 +862,6 @@ public class Animation {
/** Changes a slot's {@link Slot#getAttachmentVertices()} to deform a {@link VertexAttachment}. */
static public class DeformTimeline extends CurveTimeline {
static private float[] zeros = new float[64];
int slotIndex;
VertexAttachment attachment;
private final float[] frames; // time, ...
@ -923,28 +921,24 @@ public class Animation {
if (!(slotAttachment instanceof VertexAttachment) || !((VertexAttachment)slotAttachment).applyDeform(attachment)) return;
FloatArray verticesArray = slot.getAttachmentVertices();
if (verticesArray.size == 0) alpha = 1;
float[][] frameVertices = this.frameVertices;
int vertexCount = frameVertices[0].length;
float[] vertices = verticesArray.setSize(vertexCount);
float[] frames = this.frames;
if (time < frames[0]) { // Time is before first frame.
VertexAttachment vertexAttachment = (VertexAttachment)slotAttachment;
switch (pose) {
case setup:
float[] zeroVertices;
if (vertexAttachment.getBones() == null) {
// Unweighted vertex positions (setup pose).
zeroVertices = vertexAttachment.getVertices();
} else {
// Weighted deform offsets (zeros).
zeroVertices = zeros;
if (zeroVertices.length < vertexCount) zeros = zeroVertices = new float[vertexCount];
}
System.arraycopy(zeroVertices, 0, vertices, 0, vertexCount);
verticesArray.clear();
return;
case current:
if (alpha == 1) break;
if (alpha == 1) {
verticesArray.clear();
return;
}
float[] vertices = verticesArray.setSize(vertexCount);
if (vertexAttachment.getBones() == null) {
// Unweighted vertex positions.
float[] setupVertices = vertexAttachment.getVertices();
@ -960,6 +954,8 @@ public class Animation {
return;
}
float[] vertices = verticesArray.setSize(vertexCount);
if (time >= frames[frames.length - 1]) { // Time is after last frame.
float[] lastVertices = frameVertices[frames.length - 1];
if (alpha == 1) {