Initial 1.1.0 binary release

1 files changed, 77 insertions, 0 deletions

diff --git a/demo/scenes/envcloth.h b/demo/scenes/envcloth.h
new file mode 100644
index 0000000..7405739
--- /dev/null
+++ b/demo/scenes/envcloth.h
@@ -0,0 +1,77 @@
+
+
+class EnvironmentalCloth: public Scene
+{
+public:
+
+	EnvironmentalCloth(const char* name, int dimx, int dimz, int gridx, int gridz) :
+	  Scene(name), 
+	  mDimX(dimx),
+	  mDimZ(dimz),
+	  mGridX(gridx),
+	  mGridZ(gridz) {}
+
+	virtual void Initialize()
+	{	
+		float scale = 1.0f;
+
+		float minSize = 0.5f*scale;
+		float maxSize = 1.0f*scale;
+
+		for (int i=0; i < 5; i++)
+			AddRandomConvex(10, Vec3(i*2.0f, 0.0f, Randf(0.0f, 2.0f)), minSize, maxSize, Vec3(0.0f, 1.0f, 0.0f), Randf(0.0f, k2Pi));
+		
+		float stretchStiffness = 0.9f;
+		float bendStiffness = 0.8f;
+		float shearStiffness = 0.5f;
+
+		int dimx = mDimX;
+		int dimz = mDimZ;
+		float radius = 0.05f*scale;
+		g_params.gravity[1] *= scale;
+
+		int gridx = mGridX;
+		int gridz = mGridZ;
+
+		int clothIndex = 0;
+		int phase = NvFlexMakePhase(0, eNvFlexPhaseSelfCollide);
+
+		for (int x=0; x < gridx; ++x)
+		{
+			for (int y=0; y < 1; ++y)
+			{
+				for (int z=0; z < gridz; ++z)
+				{
+					clothIndex++;
+
+					CreateSpringGrid(Vec3(x*dimx*radius, scale*(1.0f + z*0.5f), z*dimx*radius), dimx, dimz, 1, radius, phase, stretchStiffness, bendStiffness, shearStiffness, Vec3(Randf(-0.2f, 0.2f)), 1.0f);
+				}
+			}
+		}
+
+		g_params.radius = radius*1.05f;
+		g_params.dynamicFriction = 0.25f;
+		g_params.dissipation = 0.0f;
+		g_params.numIterations = 8;
+		g_params.viscosity = 0.0f;
+		g_params.drag = 0.1f;
+		g_params.lift = 0.5f;
+		g_params.collisionDistance = 0.05f;
+		
+		// cloth converges faster with a global relaxation factor
+		g_params.relaxationMode = eNvFlexRelaxationGlobal;
+		g_params.relaxationFactor = 0.25f;
+
+		g_windStrength = 0.0f;
+		g_numSubsteps = 2;
+
+		// draw options
+		g_drawPoints = false;
+		g_drawSprings = false;
+	}
+	
+	int mDimX;
+	int mDimZ;
+	int mGridX;
+	int mGridZ;
+};