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[libgdx] Added physics dragging example

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This commit is contained in:
Mario Zechner 2023-12-05 17:38:49 +01:00
parent 7a253b49ab
commit 24edbcbf6c
1 changed files with 26 additions and 5 deletions
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31
spine-libgdx/spine-libgdx-tests/src/com/esotericsoftware/spine/PhysicsTest2.java
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@ -31,10 +31,13 @@ package com.esotericsoftware.spine;
import com.badlogic.gdx.ApplicationAdapter; import com.badlogic.gdx.ApplicationAdapter;
import com.badlogic.gdx.Gdx; import com.badlogic.gdx.Gdx;
import com.badlogic.gdx.InputAdapter;
import com.badlogic.gdx.backends.lwjgl3.Lwjgl3Application; import com.badlogic.gdx.backends.lwjgl3.Lwjgl3Application;
import com.badlogic.gdx.graphics.GL20; import com.badlogic.gdx.graphics.GL20;
import com.badlogic.gdx.graphics.OrthographicCamera; import com.badlogic.gdx.graphics.OrthographicCamera;
import com.badlogic.gdx.graphics.g2d.TextureAtlas; import com.badlogic.gdx.graphics.g2d.TextureAtlas;
import com.badlogic.gdx.math.Vector2;
import com.badlogic.gdx.utils.FloatArray;
import com.esotericsoftware.spine.Skeleton.Physics; import com.esotericsoftware.spine.Skeleton.Physics;
import com.esotericsoftware.spine.utils.TwoColorPolygonBatch; import com.esotericsoftware.spine.utils.TwoColorPolygonBatch;
@ -50,6 +53,9 @@ public class PhysicsTest2 extends ApplicationAdapter {
Skeleton skeleton; Skeleton skeleton;
AnimationState state; AnimationState state;
float lastX = 0;
float lastY = 0;
public void create () { public void create () {
camera = new OrthographicCamera(); camera = new OrthographicCamera();
batch = new TwoColorPolygonBatch(); batch = new TwoColorPolygonBatch();
@ -61,16 +67,31 @@ public class PhysicsTest2 extends ApplicationAdapter {
atlas = new TextureAtlas(Gdx.files.internal("celestial-circus/celestial-circus-pma.atlas")); atlas = new TextureAtlas(Gdx.files.internal("celestial-circus/celestial-circus-pma.atlas"));
SkeletonBinary binary = new SkeletonBinary(atlas); // This loads skeleton JSON data, which is stateless. SkeletonBinary binary = new SkeletonBinary(atlas); // This loads skeleton JSON data, which is stateless.
binary.setScale(0.2f); // Load the skeleton at 60% the size it was in Spine. binary.setScale(0.1f); // Load the skeleton at 60% the size it was in Spine.
SkeletonData skeletonData = binary.readSkeletonData(Gdx.files.internal("celestial-circus/celestial-circus-pro.skel")); SkeletonData skeletonData = binary.readSkeletonData(Gdx.files.internal("celestial-circus/celestial-circus-pro.skel"));
skeleton = new Skeleton(skeletonData); // Skeleton holds skeleton state (bone positions, slot attachments, etc). skeleton = new Skeleton(skeletonData); // Skeleton holds skeleton state (bone positions, slot attachments, etc).
skeleton.setPosition(250, 100); skeleton.setPosition(320, 100);
AnimationStateData stateData = new AnimationStateData(skeletonData); // Defines mixing (crossfading) between animations. AnimationStateData stateData = new AnimationStateData(skeletonData); // Defines mixing (crossfading) between animations.
state = new AnimationState(stateData); // Holds the animation state for a skeleton (current animation, time, etc). state = new AnimationState(stateData); // Holds the animation state for a skeleton (current animation, time, etc).
state.setAnimation(0, "swing", true);
state.setAnimation(1, "eyeblink-long", true); Gdx.input.setInputProcessor(new InputAdapter() {
public boolean touchDown (int screenX, int screenY, int pointer, int button) {
lastX = screenX;
lastY = screenY;
return false;
}
@Override
public boolean touchDragged(int screenX, int screenY, int pointer) {
skeleton.x += screenX - lastX;
skeleton.y += lastY - screenY;
lastX = screenX;
lastY = screenY;
return false;
}
});
} }
public void render () { public void render () {
@ -92,7 +113,7 @@ public class PhysicsTest2 extends ApplicationAdapter {
renderer.draw(batch, skeleton); // Draw the skeleton images. renderer.draw(batch, skeleton); // Draw the skeleton images.
batch.end(); batch.end();
debugRenderer.draw(skeleton); // Draw debug lines. // debugRenderer.draw(skeleton); // Draw debug lines.
} }
public void resize (int width, int height) { public void resize (int width, int height) {