fahhh

App/v8world/MaterialProperties.h

@@ -0,0 +1,43 @@
+#pragma once
+#include "util/PartMaterial.h"
+
+
+DYNAMIC_FASTFLAG(MaterialPropertiesEnabled)
+
+namespace RBX {
+
+class PhysicalProperties;
+class ContactParams;
+class Primitive;
+
+class MaterialProperties
+{
+private:
+	// Helpers
+	static float calculateUsingWeightedAverage(float weightA, float coeffA, float weightB, float coeffB);
+	// Used on PartInstance initialization and property setting
+	static float getDefaultMaterialFriction(PartMaterial material);
+	static float getDefaultMaterialFrictionWeight(PartMaterial material);
+	static float getDefaultMaterialElasticity(PartMaterial material);
+	static float getDefaultMaterialElasticityWeight(PartMaterial material);
+	static float getDefaultMaterialDensity(PartMaterial material);
+public:
+	// Physical Behavior functions
+	// Update Contact Parameters between two primitives, and Primitive to Terrain
+	static void updateContactParamsPrims(ContactParams& params, Primitive* prim0, Primitive* prim1);
+	static void updateContactParamsPrimMaterial(ContactParams& params, Primitive* prim, Primitive* otherPrim, PartMaterial otherMaterial);
+
+	static float getDensity(Primitive* prim);
+
+	// For humanoid Behavior
+	static float frictionBetweenMaterials(PartMaterial materialA, PartMaterial materialB);
+	static float frictionBetweenPrimAndMaterial(Primitive* primA, PartMaterial materialB);
+
+	// Property defaults helper
+	static PhysicalProperties generatePhysicalMaterialFromPartMaterial(PartMaterial material);
+	static PhysicalProperties getPrimitivePhysicalProperties(Primitive* prim);
+
+};
+
+
+} // NAMESPACE RBX