GLES2-AnchorCenter testing of debug draw

gistfile1.diff

From 237f2dd709e710fbe57413d847bd304f463a6a2a Mon Sep 17 00:00:00 2001
From: Michal Stawinski <[email protected]>
Date: Sun, 4 Nov 2012 09:20:21 +0100
Subject: [PATCH] Testing of degbugdraw

---
 project.properties                                 |    1 +
 .../examples/PhysicsRevoluteJointExample.java      |   75 ++++++++++++++++++++
 2 files changed, 76 insertions(+)

diff --git a/project.properties b/project.properties
index ca03a32..3f4a9a5 100644
--- a/project.properties
+++ b/project.properties
@@ -22,3 +22,4 @@ android.library.reference.8=../AndEngineTMXTiledMapExtension
 android.library.reference.9=../AndEngineScriptingExtension
 android.library.reference.10=../AndEngineCocosBuilderExtension
 android.library.reference.11=../AndEngineCocosBuilderExtensionCCRotatingSpriteExtension
+android.library.reference.12=../AndEngineDebugDrawExtension
\ No newline at end of file
diff --git a/src/org/andengine/examples/PhysicsRevoluteJointExample.java b/src/org/andengine/examples/PhysicsRevoluteJointExample.java
index 62eca49..cbedb1d 100644
--- a/src/org/andengine/examples/PhysicsRevoluteJointExample.java
+++ b/src/org/andengine/examples/PhysicsRevoluteJointExample.java
@@ -4,16 +4,22 @@ import org.andengine.engine.options.EngineOptions;
 import org.andengine.entity.primitive.Line;
 import org.andengine.entity.scene.Scene;
 import org.andengine.entity.sprite.AnimatedSprite;
+import org.andengine.extension.debugdraw.DebugRenderer;
 import org.andengine.extension.physics.box2d.PhysicsConnector;
 import org.andengine.extension.physics.box2d.PhysicsFactory;
+import org.andengine.extension.physics.box2d.util.Vector2Pool;
 import org.andengine.extension.physics.box2d.util.constants.PhysicsConstants;
+import org.andengine.input.touch.TouchEvent;
 
 import android.widget.Toast;
 
 import com.badlogic.gdx.math.Vector2;
 import com.badlogic.gdx.physics.box2d.Body;
 import com.badlogic.gdx.physics.box2d.BodyDef.BodyType;
+import com.badlogic.gdx.physics.box2d.CircleShape;
 import com.badlogic.gdx.physics.box2d.FixtureDef;
+import com.badlogic.gdx.physics.box2d.PolygonShape;
+import com.badlogic.gdx.physics.box2d.Shape;
 import com.badlogic.gdx.physics.box2d.joints.RevoluteJointDef;
 
 /**
@@ -102,6 +108,75 @@ public class PhysicsRevoluteJointExample extends BasePhysicsJointExample {
 
 			this.mPhysicsWorld.createJoint(revoluteJointDef);
 		}
+		DebugRenderer debug = new DebugRenderer(mPhysicsWorld, getVertexBufferObjectManager());
+		debug.setZIndex(1000);
+		pScene.attachChild(debug);
+	}
+
+	public static FixtureDef fixFromShape(FixtureDef pOtherFixDef, Shape pShape) {
+		FixtureDef f = new FixtureDef();
+		f.shape = pShape;
+		f.density = pOtherFixDef.density;
+		f.friction = pOtherFixDef.friction;
+		f.restitution = pOtherFixDef.restitution;
+		f.isSensor = pOtherFixDef.isSensor;
+		f.filter.categoryBits = pOtherFixDef.filter.categoryBits;
+		f.filter.maskBits = pOtherFixDef.filter.maskBits;
+		f.filter.groupIndex = pOtherFixDef.filter.groupIndex;
+		return f;
+	}
+
+
+	@Override
+	public boolean onSceneTouchEvent(Scene pScene, TouchEvent pSceneTouchEvent) {
+		if(this.mPhysicsWorld == null) {
+			return false;
+		}
+
+		if(pSceneTouchEvent.isActionDown()) {
+			// Setup
+			final float w = 100;
+			final float h = 20;
+			final float p2m = PhysicsConstants.PIXEL_TO_METER_RATIO_DEFAULT;
+
+			final FixtureDef fixture = PhysicsFactory.createFixtureDef(0.5f, 0.5f, 0.5f);
+			final FixtureDef fixtureSensor = PhysicsFactory.createFixtureDef(0.5f, 0.5f, 0.5f);
+			fixtureSensor.isSensor = true;
+			PolygonShape polyShape = new PolygonShape();
+			CircleShape circleShape = new CircleShape();
+			final Vector2 vecA = Vector2Pool.obtain(0, 0);
+			final Vector2 vecB = Vector2Pool.obtain(0, 0);
+
+			final float r = h / 2 / p2m;
+			final float edge_offset = w / 2 / p2m - r;
+
+			// sensor region
+			Body body = PhysicsFactory.createBoxBody(mPhysicsWorld, pSceneTouchEvent.getX(), pSceneTouchEvent.getY(), 0.90f * w, 0.3f * h, 0, BodyType.DynamicBody, fixtureSensor);
+
+			// edges
+			circleShape.setRadius(r);
+
+			vecA.set(-edge_offset, 0);
+			circleShape.setPosition(vecA);
+			body.createFixture(fixFromShape(fixture, circleShape));
+
+			vecA.set( edge_offset, 0);
+			circleShape.setPosition(vecA);
+			body.createFixture(fixFromShape(fixture, circleShape));
+
+			body.setBullet(true);
+			body.setLinearDamping(0.3f);
+			body.setAngularDamping(0.3f);
+
+			// Cleanup
+			Vector2Pool.recycle(vecA);
+			Vector2Pool.recycle(vecB);
+			polyShape.dispose();
+			circleShape.dispose();
+		}
+
+		pScene.sortChildren(false);
+		return true;
 	}
 
 	// ===========================================================
-- 
1.7.10.4