1 files changed, 48 insertions, 0 deletions
diff --git a/demo/scenes/shapechannels.h b/demo/scenes/shapechannels.h
new file mode 100644
index 0000000..22ee649
--- /dev/null
+++ b/demo/scenes/shapechannels.h
@@ -0,0 +1,48 @@
+
+
+// demonstrates how to make particles collide with 
+// selected collision shapes based on the channel mask
+class ShapeChannels : public Scene
+{
+public:
+
+	ShapeChannels(const char* name) : Scene(name) {}
+
+	void Initialize()
+	{
+		const float radius = 0.05f;
+		
+		Vec3 offset = Vec3(-0.25f, 6.0f, -0.25f);
+
+		// layers of particles each set to collide with a different shape channel
+		int numLayers = 8;
+
+		for (int i=0; i < numLayers; ++i)
+		{
+			CreateParticleGrid(offset + Vec3(0.0f, 2.0f*i*radius, 0.0f), 10, 1, 10, radius, Vec3(0.0f), 1.0f, false, 0.0f, NvFlexMakePhaseWithChannels(i, eNvFlexPhaseSelfCollide, eNvFlexPhaseShapeChannel0<<i), 0.0f);
+			//CreateParticleGrid(offset + Vec3(0.0f, 2.0f*radius, 0.0f), 10, 1, 10, radius, Vec3(0.0f), 1.0f, false, 0.0f, NvFlexMakePhaseWithChannels(0, eNvFlexPhaseSelfCollide, eNvFlexPhaseShapeChannel1), 0.0f);
+			//CreateParticleGrid(offset + Vec3(0.0f, 4.0f*radius, 0.0f), 10, 1, 10, radius, Vec3(0.0f), 1.0f, false, 0.0f, NvFlexMakePhaseWithChannels(0, eNvFlexPhaseSelfCollide, eNvFlexPhaseShapeChannel2), 0.0f);
+		
+			AddBox(Vec3(0.5f, 0.1f, 0.5f), Vec3(0.0f, 0.5f + i*0.5f, 0.0f), Quat(), false, eNvFlexPhaseShapeChannel0<<i);
+		}
+
+		// regular box
+		//AddBox(Vec3(0.5f, 0.1f, 0.5f), Vec3(0.0f, 0.5f, 0.0f), Quat(), false, eNvFlexPhaseShapeChannel0);
+		//AddBox(Vec3(0.5f, 0.1f, 0.5f), Vec3(0.0f, 1.0f, 0.0f), Quat(), false, eNvFlexPhaseShapeChannel1);
+		//AddBox(Vec3(0.5f, 0.1f, 0.5f), Vec3(0.0f, 1.5f, 0.0f), Quat(), false, eNvFlexPhaseShapeChannel2);
+
+		g_params.radius = radius;
+		g_params.dynamicFriction = 0.025f;
+		g_params.dissipation = 0.0f;
+		g_params.restitution = 0.0;
+		g_params.numIterations = 4;
+		g_params.particleCollisionMargin = g_params.radius*0.05f;
+
+		g_numSubsteps = 1;
+	}
+
+	virtual void Update()
+	{
+		
+	}
+};
+\ No newline at end of file