1 files changed, 90 insertions, 0 deletions
diff --git a/APEX_1.4/module/clothing/src/ModuleClothingHelpers.cpp b/APEX_1.4/module/clothing/src/ModuleClothingHelpers.cpp
new file mode 100644
index 00000000..7fbe1c46
--- /dev/null
+++ b/APEX_1.4/module/clothing/src/ModuleClothingHelpers.cpp
@@ -0,0 +1,90 @@
+/*
+ * Copyright (c) 2008-2015, NVIDIA CORPORATION.  All rights reserved.
+ *
+ * NVIDIA CORPORATION and its licensors retain all intellectual property
+ * and proprietary rights in and to this software, related documentation
+ * and any modifications thereto.  Any use, reproduction, disclosure or
+ * distribution of this software and related documentation without an express
+ * license agreement from NVIDIA CORPORATION is strictly prohibited.
+ */
+
+
+#include "ApexDefs.h"
+
+#include "ModuleClothingHelpers.h"
+#include "AbstractMeshDescription.h"
+
+namespace nvidia
+{
+namespace apex
+{
+
+void AbstractMeshDescription::UpdateDerivedInformation(RenderDebugInterface* renderDebug)
+{
+	if (numIndices > 0)
+	{
+		pMin = pPosition[pIndices[0]];
+		pMax = pMin;
+	}
+	avgEdgeLength = 0;
+	avgTriangleArea = 0;
+
+	uint32_t triCount(numIndices / 3);
+	uint32_t edgeCount(numIndices);
+	for (uint32_t j = 0; j < numIndices; j += 3)
+	{
+		uint32_t i0 = pIndices[j + 0];
+		uint32_t i1 = pIndices[j + 1];
+		uint32_t i2 = pIndices[j + 2];
+
+		const PxVec3& v0 = pPosition[i0];
+		const PxVec3& v1 = pPosition[i1];
+		const PxVec3& v2 = pPosition[i2];
+
+		pMin.minimum(v0);
+		pMin.minimum(v1);
+		pMin.minimum(v2);
+
+		pMax.maximum(v0);
+		pMax.maximum(v1);
+		pMax.maximum(v2);
+
+		PxVec3 e0 = v1 - v0;
+		PxVec3 e1 = v2 - v1;
+		PxVec3 e2 = v0 - v2;
+
+		avgEdgeLength += e0.magnitude();
+		avgEdgeLength += e1.magnitude();
+		avgEdgeLength += e2.magnitude();
+
+
+		if (renderDebug)
+		{
+			using RENDER_DEBUG::DebugColors;
+			RENDER_DEBUG_IFACE(renderDebug)->setCurrentColor(RENDER_DEBUG_IFACE(renderDebug)->getDebugColor(DebugColors::DarkBlue));
+			RENDER_DEBUG_IFACE(renderDebug)->debugLine(v0, v1);
+			RENDER_DEBUG_IFACE(renderDebug)->debugLine(v1, v2);
+			RENDER_DEBUG_IFACE(renderDebug)->debugLine(v2, v0);
+			RENDER_DEBUG_IFACE(renderDebug)->setCurrentColor(RENDER_DEBUG_IFACE(renderDebug)->getDebugColor(DebugColors::Green));
+			RENDER_DEBUG_IFACE(renderDebug)->debugPoint(v0, 0.1f);
+			RENDER_DEBUG_IFACE(renderDebug)->debugPoint(v1, 0.1f);
+			RENDER_DEBUG_IFACE(renderDebug)->debugPoint(v2, 0.1f);
+		}
+
+		float triangleArea = e0.cross(e2).magnitude() * 0.5f;
+		avgTriangleArea += triangleArea;
+		triCount++;
+	}
+
+	avgEdgeLength /= edgeCount;
+	avgTriangleArea /= triCount;
+	centroid = 0.5f * (pMin + pMax);
+	radius = 0.5f * (pMax - pMin).magnitude();
+
+	//printf("Min = <%f, %f, %f>; Max = <%f, %f, %f>; centroid = <%f, %f, %f>; radius = %f; avgEdgeLength = %f; avgTriangleArea = %f;\n",
+	//	pMin.x, pMin.y, pMin.z, pMax.x, pMax.y, pMax.z, centroid.x, centroid.y, centroid.z, radius, avgEdgeLength, avgTriangleArea);
+}
+
+}
+} // namespace nvidia
+