+Unity Runtime codeHEADmaster

1 files changed, 19 insertions, 0 deletions

diff --git a/Runtime/Geometry/ComputionalGeometry.h b/Runtime/Geometry/ComputionalGeometry.h
new file mode 100644
index 0000000..42f5e47
--- /dev/null
+++ b/Runtime/Geometry/ComputionalGeometry.h
@@ -0,0 +1,19 @@
+#ifndef COMPUTIONALGEOMETRY_H
+#define COMPUTIONALGEOMETRY_H
+
+class Vector2f;
+class Vector3f;
+class Plane;
+
+float SignedTriangleArea2D (const Vector2f& a, const Vector2f& b, const Vector2f& c);
+float SignedTriangleArea2D (const Vector3f* v);
+float TriangleArea3D (const Vector3f& a, const Vector3f& b, const Vector3f& c);
+float CalculateProjectedBoxArea2D (const Vector3f* v);
+float CalculateTriangleAreaRotationless (Vector3f* v, float inFovy, float inScreenWidth, float inScreenHeight, Vector3f& viewPoint);
+float CalculateTriangleAreaRadialFrustum (Vector3f* v, float inFovy, float inNear, float inFar, float inScreenHeight);
+float CalculateBoxAreaRadialFrustum (Vector3f* v, float inFovy, float inNear, float inFar, float inScreenHeight);
+float CalculateBoxAreaRadialFrustum2 (Vector3f* v, float a, float b, float c);
+float CalculateTriangleAreaRadialFrustum2 (Vector3f* v, float a, float b, float c);
+int ClipPolygonAgainstPlane(int vertexCount, const Vector3f *vertex, const Plane& plane, char *location, Vector3f *result);
+
+#endif