[libgdx] Added skeleton.update(delta) to examples, even when physics is not used.

spine-libgdx/spine-libgdx-tests/src/com/esotericsoftware/spine/BonePlotting.java

@@ -84,6 +84,7 @@ public class BonePlotting {
 			float time = 0;
 			while (time < animation.getDuration()) {
 				animation.apply(skeleton, time, time, false, null, 1, MixBlend.first, MixDirection.in);
+				skeleton.update(fps);
 				skeleton.updateWorldTransform(Physics.update);
 
 				System.out.println(animation.getName() + "," //

spine-libgdx/spine-libgdx-tests/src/com/esotericsoftware/spine/Box2DExample.java

@@ -151,6 +151,7 @@ public class Box2DExample extends ApplicationAdapter {
 
 		animation.apply(skeleton, time, time, true, events, 1, MixBlend.first, MixDirection.in);
 		skeleton.x += 8 * delta;
+		skeleton.update(delta);
 		skeleton.updateWorldTransform(Physics.update);
 		skeletonRenderer.draw(batch, skeleton);
 

spine-libgdx/spine-libgdx-tests/src/com/esotericsoftware/spine/IKTest.java

@@ -79,39 +79,29 @@ public class IKTest extends ApplicationAdapter {
 		// Queue the "walk" animation on the first track.
 		state.setAnimation(0, "walk", true);
 
-		// Queue the "aim" animation on a higher track.
+		// Queue the "aim" animation on a higher track. It consists of a single frame that positions the back arm and gun such that
-		// It consists of a single frame that positions
+		// they point at the "crosshair" bone. By setting this animation on a higher track, it overrides any changes to the back arm
-		// the back arm and gun such that they point at
+		// and gun made by the walk animation, allowing us to mix the two. The mouse position following is performed in the render()
-		// the "crosshair" bone. By setting this
+		// method below.
-		// animation on a higher track, it overrides
-		// any changes to the back arm and gun made
-		// by the walk animation, allowing us to
-		// mix the two. The mouse position following
-		// is performed in the render() method below.
 		state.setAnimation(1, "aim", true);
 	}
 
 	public void render () {
-		// Update and apply the animations to the skeleton,
+		// Update and apply the animations to the skeleton, then calculate the world transforms of every bone. This is needed so we
-		// then calculate the world transforms of every bone.
+		// can call Bone#worldToLocal() later.
-		// This is needed so we can call Bone#worldToLocal()
+		float delta = Gdx.graphics.getDeltaTime();
-		// later.
+		state.update(delta);
-		state.update(Gdx.graphics.getDeltaTime());
 		state.apply(skeleton);
-		skeleton.updateWorldTransform(Physics.update);
+		skeleton.update(delta);
+		// This example has no physics, but if it did we first pose the skeleton without physics.
+		skeleton.updateWorldTransform(Physics.pose);
 
-		// Position the "crosshair" bone at the mouse
+		// Position the "crosshair" bone at the mouse location. We do this before calling skeleton.updateWorldTransform() below, so
-		// location. We do this before calling
+		// our change is incorporated before the IK constraint is applied.
-		// skeleton.updateWorldTransform() below, so
-		// our change is incorporated before the IK
-		// constraint is applied.
 		//
-		// When setting the crosshair bone position
+		// When setting the crosshair bone position to the mouse position, we need to translate from "mouse space" to "camera space"
-		// to the mouse position, we need to translate
+		// and then to "local bone space". Note that the local bone space is calculated using the bone's parent worldToLocal()
-		// from "mouse space" to "camera space"
+		// function!
-		// and then to "local bone space". Note that the local
-		// bone space is calculated using the bone's parent
-		// worldToLocal() function!
 		cameraCoords.set(Gdx.input.getX(), Gdx.input.getY(), 0);
 		camera.unproject(cameraCoords); // mouse space to camera space
 
@@ -120,13 +110,10 @@ public class IKTest extends ApplicationAdapter {
 		crosshair.getParent().worldToLocal(boneCoords); // camera space to local bone space
 		crosshair.setPosition(boneCoords.x, boneCoords.y); // override the crosshair position
 
-		// Calculate final world transform with the
+		// Calculate final world transform with the crosshair bone set to the mouse cursor position. Update physics this time.
-		// crosshair bone set to the mouse cursor
-		// position.
 		skeleton.updateWorldTransform(Physics.update);
 
-		// Clear the screen, update the camera and
+		// Clear the screen, update the camera and render the skeleton.
-		// render the skeleton.
 		ScreenUtils.clear(0, 0, 0, 0);
 		camera.update();
 

spine-libgdx/spine-libgdx-tests/src/com/esotericsoftware/spine/MixAndMatchTest.java

@@ -89,11 +89,13 @@ public class MixAndMatchTest extends ApplicationAdapter {
 	}
 
 	public void render () {
-		state.update(Gdx.graphics.getDeltaTime()); // Update the animation time.
+		float delta = Gdx.graphics.getDeltaTime();
+		state.update(delta); // Update the animation time.
 
 		ScreenUtils.clear(0, 0, 0, 0);
 
 		state.apply(skeleton); // Poses skeleton using current animations. This sets the bones' local SRT.
+		skeleton.update(delta);
 		skeleton.updateWorldTransform(Physics.update); // Uses the bones' local SRT to compute their world SRT.
 
 		// Configure the camera, and PolygonSpriteBatch

spine-libgdx/spine-libgdx-tests/src/com/esotericsoftware/spine/NormalMapTest.java

@@ -135,8 +135,10 @@ public class NormalMapTest extends ApplicationAdapter {
 
 	public void render () {
 		float lastTime = time;
-		time += Gdx.graphics.getDeltaTime();
+		float delta = Gdx.graphics.getDeltaTime();
+		time += delta;
 		if (animation != null) animation.apply(skeleton, lastTime, time, true, null, 1, MixBlend.first, MixDirection.in);
+		skeleton.update(delta);
 		skeleton.updateWorldTransform(Physics.update);
 
 		lightPosition.x = Gdx.input.getX();

spine-libgdx/spine-libgdx-tests/src/com/esotericsoftware/spine/PngExportTest.java

@@ -105,6 +105,7 @@ public class PngExportTest extends ApplicationAdapter {
 		int frame = 1;
 		while (time < animation.getDuration()) {
 			animation.apply(skeleton, time, time, false, null, 1, MixBlend.first, MixDirection.in);
+			skeleton.update(fps);
 			skeleton.updateWorldTransform(Physics.update);
 
 			// Render the skeleton to the FBO.

spine-libgdx/spine-libgdx-tests/src/com/esotericsoftware/spine/SimpleTest1.java

@@ -82,11 +82,13 @@ public class SimpleTest1 extends ApplicationAdapter {
 	}
 
 	public void render () {
-		state.update(Gdx.graphics.getDeltaTime()); // Update the animation time.
+		float delta = Gdx.graphics.getDeltaTime();
+		state.update(delta); // Update the animation time.
 
 		Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT);
 
 		state.apply(skeleton); // Poses skeleton using current animations. This sets the bones' local SRT.
+		skeleton.update(delta); // Advance the skeleton time. This is needed when the skeleton has physics.
 		skeleton.updateWorldTransform(Physics.update); // Uses the bones' local SRT to compute their world SRT.
 
 		// Configure the camera, SpriteBatch, and SkeletonRendererDebug.

spine-libgdx/spine-libgdx-tests/src/com/esotericsoftware/spine/SimpleTest3.java

@@ -81,10 +81,12 @@ public class SimpleTest3 extends ApplicationAdapter {
 	}
 
 	public void render () {
-		state.update(Gdx.graphics.getDeltaTime()); // Update the animation time.
+		float delta = Gdx.graphics.getDeltaTime();
+		state.update(delta); // Update the animation time.
 
 		ScreenUtils.clear(0, 0, 0, 0);
 
+		skeleton.update(delta); // Advance the skeleton time. This is needed when the skeleton has physics.
 		if (state.apply(skeleton)) // Poses skeleton using current animations. This sets the bones' local SRT.
 			skeleton.updateWorldTransform(Physics.update); // Uses the bones' local SRT to compute their world SRT.
 

spine-libgdx/spine-libgdx-tests/src/com/esotericsoftware/spine/SkeletonAssetManagerTest.java

@@ -100,9 +100,11 @@ public class SkeletonAssetManagerTest extends ApplicationAdapter {
 			state.addAnimation(0, "run", true, 0); // Run after the jump.
 		}
 
-		state.update(Gdx.graphics.getDeltaTime()); // Update the animation time.
+		float delta = Gdx.graphics.getDeltaTime();
+		state.update(delta); // Update the animation time.
 
 		state.apply(skeleton); // Poses skeleton using current animations. This sets the bones' local SRT.
+		skeleton.update(delta); // Advance the skeleton time. This is needed when the skeleton has physics.
 		skeleton.updateWorldTransform(Physics.update); // Uses the bones' local SRT to compute their world SRT.
 
 		// Configure the camera, SpriteBatch, and SkeletonRendererDebug.

spine-libgdx/spine-libgdx-tests/src/com/esotericsoftware/spine/SkeletonAttachmentTest.java

@@ -92,12 +92,15 @@ public class SkeletonAttachmentTest extends ApplicationAdapter {
 	}
 
 	public void render () {
-		spineboyState.update(Gdx.graphics.getDeltaTime());
+		float delta = Gdx.graphics.getDeltaTime();
+		spineboyState.update(delta);
 		spineboyState.apply(spineboy);
+		spineboy.update(delta);
 		spineboy.updateWorldTransform(Physics.update);
 
 		goblinState.update(Gdx.graphics.getDeltaTime());
 		goblinState.apply(goblin);
+		goblin.update(delta);
 		goblin.updateWorldTransform(Physics.update, attachmentBone);
 
 		ScreenUtils.clear(0, 0, 0, 0);

spine-libgdx/spine-libgdx-tests/src/com/esotericsoftware/spine/TestHarness.java

@@ -43,9 +43,6 @@ import com.esotericsoftware.spine.Skeleton.Physics;
 
 /** Boilerplate for basic skeleton rendering, used for various testing. */
 public class TestHarness extends ApplicationAdapter {
-// static String JSON = "coin/coin-pro.json";
-// static String ATLAS = "coin/coin-pma.atlas";
-
 	static String JSON = "raptor/raptor-pro.json";
 	static String ATLAS = "raptor/raptor-pma.atlas";
 
@@ -85,10 +82,11 @@ public class TestHarness extends ApplicationAdapter {
 	}
 
 	public void render () {
-		if (Gdx.input.justTouched()) {
+		float delta = 0;
-			state.update(0.25f); // Update the animation time.
+		if (Gdx.input.justTouched()) delta = 0.25f;
-		}
+		state.update(delta); // Update the animation time.
 		state.apply(skeleton); // Poses skeleton using current animations. This sets the bones' local SRT.
+		skeleton.update(delta); // Advance the skeleton time. This is needed when the skeleton has physics.
 		skeleton.updateWorldTransform(Physics.update); // Uses the bones' local SRT to compute their world SRT.
 
 		ScreenUtils.clear(0, 0, 0, 0);

spine-libgdx/spine-libgdx-tests/src/com/esotericsoftware/spine/TimelineApiTest.java

@@ -128,6 +128,7 @@ public class TimelineApiTest extends ApplicationAdapter {
 			walkAnimation.apply(skeleton, time, time, true, events, 1, MixBlend.first, MixDirection.in);
 		}
 
+		skeleton.update(delta);
 		skeleton.updateWorldTransform(Physics.update);
 
 		batch.begin();

spine-libgdx/spine-libgdx/src/com/esotericsoftware/spine/PhysicsConstraint.java

@@ -108,6 +108,9 @@ public class PhysicsConstraint implements Updatable {
 		mix = data.mix;
 	}
 
+	public void translate () {
+	}
+
 	/** Applies the constraint to the constrained bones. */
 	public void update (Physics physics) {
 		float mix = this.mix;