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Added getBounds method to get the bounds of the attachments for the current pose.

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NathanSweet 2014-12-11 03:15:13 +01:00
parent 61906bcf1f
commit 71b41a60a4
1 changed files with 44 additions and 2 deletions
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46
spine-libgdx/spine-libgdx/src/com/esotericsoftware/spine/Skeleton.java
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@ -30,10 +30,13 @@
package com.esotericsoftware.spine;
import com.esotericsoftware.spine.attachments.Attachment;
import com.badlogic.gdx.graphics.Color;
import com.badlogic.gdx.math.Vector2;
import com.badlogic.gdx.utils.Array;
import com.esotericsoftware.spine.attachments.Attachment;
import com.esotericsoftware.spine.attachments.MeshAttachment;
import com.esotericsoftware.spine.attachments.RegionAttachment;
import com.esotericsoftware.spine.attachments.SkinnedMeshAttachment;
public class Skeleton {
final SkeletonData data;
@ -356,6 +359,45 @@ public class Skeleton {
return null;
}
/** Returns the axis aligned bounding box (AABB) of the region, mesh, and skinned mesh attachments for the current pose.
* @param offset The distance from the skeleton origin to the bottom left corner of the AABB.
* @param size The width and height of the AABB. */
public void getBounds (Vector2 offset, Vector2 size) {
Array<Slot> drawOrder = this.drawOrder;
float minX = Integer.MAX_VALUE, minY = Integer.MAX_VALUE, maxX = Integer.MIN_VALUE, maxY = Integer.MIN_VALUE;
for (int i = 0, n = drawOrder.size; i < n; i++) {
Slot slot = drawOrder.get(i);
float[] vertices = null;
Attachment attachment = slot.attachment;
if (attachment instanceof RegionAttachment) {
RegionAttachment region = (RegionAttachment)attachment;
region.updateWorldVertices(slot, false);
vertices = region.getWorldVertices();
} else if (attachment instanceof MeshAttachment) {
MeshAttachment mesh = (MeshAttachment)attachment;
mesh.updateWorldVertices(slot, true);
vertices = mesh.getWorldVertices();
} else if (attachment instanceof SkinnedMeshAttachment) {
SkinnedMeshAttachment mesh = (SkinnedMeshAttachment)attachment;
mesh.updateWorldVertices(slot, true);
vertices = mesh.getWorldVertices();
}
if (vertices != null) {
for (int ii = 0, nn = vertices.length; ii < nn; ii += 5) {
float x = vertices[ii], y = vertices[ii + 1];
minX = Math.min(minX, x);
minY = Math.min(minY, y);
maxX = Math.max(maxX, x);
maxY = Math.max(maxY, y);
}
}
}
offset.set(minX, minY);
size.set(maxX - minX, maxY - minY);
}
public Color getColor () {
return color;
}