1 files changed, 75 insertions, 0 deletions
diff --git a/KaplaDemo/samples/sampleViewer3/Fracture/CompoundGeometry.cpp b/KaplaDemo/samples/sampleViewer3/Fracture/CompoundGeometry.cpp
new file mode 100644
index 00000000..fb22900e
--- /dev/null
+++ b/KaplaDemo/samples/sampleViewer3/Fracture/CompoundGeometry.cpp
@@ -0,0 +1,75 @@
+#include "CompoundGeometry.h"
+
+#define DEBUG_DRAW 1
+
+#if DEBUG_DRAW
+#include <windows.h>
+#include <GL/gl.h>
+#endif
+
+// -------------------------------------------------------------------------------
+void CompoundGeometry::debugDraw(int maxConvexes) const
+{
+#if DEBUG_DRAW
+	const bool drawConvexes = true;
+	const bool drawWireframe = true;
+	const bool drawClipped = false;
+	const float clipMaxX = 0.0f;
+
+	if (drawConvexes) {
+		float s = drawClipped ? 1.0f : 0.95f;
+
+		if (drawWireframe)
+			glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
+
+		PxVec3 n;
+		int num = convexes.size();
+		if (maxConvexes > 0 && maxConvexes < num)
+			num = maxConvexes;
+
+		for (int i = 0; i < num; i++) {
+
+			switch (i%7) {
+				case 0 : glColor3f(1.0f, 0.0f, 0.0f); break;
+				case 1 : glColor3f(0.0f, 1.0f, 0.0f); break;
+				case 2 : glColor3f(1.0f, 0.0f, 1.0f); break;
+				case 3 : glColor3f(0.0f, 1.0f, 1.0f); break;
+				case 4 : glColor3f(1.0f, 0.0f, 1.0f); break;
+				case 5 : glColor3f(1.0f, 1.0f, 0.0f); break;
+				case 6 : glColor3f(1.0f, 1.0f, 1.0f); break;
+			};
+
+			const Convex &c = convexes[i];
+			const PxVec3 *verts = &vertices[c.firstVert];
+			PxVec3 center;
+			center = PxVec3(0.0f, 0.0f, 0.0f);
+			for (int j = 0; j < c.numVerts; j++)
+				center += verts[j];
+			center /= (float)c.numVerts;
+			if (drawClipped && center.x > clipMaxX)
+				continue;
+
+			const int *ids = &indices[c.firstIndex];
+			for (int j = 0; j < c.numFaces; j++) {
+				int numVerts = *ids++;
+				int flags = *ids++;
+
+				n = (verts[ids[1]] - verts[ids[0]]).cross(verts[ids[2]] - verts[ids[0]]);
+				n.normalize();
+				glNormal3f(n.x, n.y, n.z);
+
+				glBegin(GL_POLYGON);
+				for (int k = 0; k < numVerts; k++) {
+					PxVec3 p = verts[ids[k]];
+					p = center + (p - center) * s;
+					glVertex3f(p.x, p.y, p.z);
+				}
+				glEnd();
+
+				ids += numVerts;
+			}
+		}
+		glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
+	}
+#endif
+}
+\ No newline at end of file