GEEKING

Rendering/GfxRender/RenderCamera.h

@@ -0,0 +1,69 @@
+#pragma once
+
+#include "Util/G3DCore.h"
+
+namespace RBX
+{
+    class Extents;
+}
+
+namespace RBX
+{
+namespace Graphics
+{
+
+class RenderCamera
+{
+public:
+	RenderCamera();
+
+    void setViewCFrame(const CoordinateFrame& cframe, float roll = 0);
+    void setViewMatrix(const Matrix4& value);
+
+    void setProjectionPerspective(float fovY, float aspect, float znear, float zfar);
+    void setProjectionPerspective(float fovUpTan, float fovDownTan, float fovLeftTan, float fovRightTan, float znear, float zfar);
+    void setProjectionOrtho(float width, float height, float znear, float zfar, bool halfPixelOffset = false);
+    void setProjectionMatrix(const Matrix4& value);
+    
+    void changeProjectionPerspectiveZ(float znear, float zfar);
+
+	const Matrix4& getViewMatrix() const { return view; }
+	const Matrix4& getProjectionMatrix() const { return projection; }
+	const Matrix4& getViewProjectionMatrix() const { return viewProjection; }
+
+	const Vector3& getPosition() const { return position; }
+    const Vector3& getDirection() const { return direction; }
+
+    bool isVisible(const Extents& extents) const;
+    bool isVisible(const Sphere& sphere) const;
+    bool isVisible(const Extents& extents, const CoordinateFrame& cframe) const;
+
+	IntersectResult intersects(const Extents& extents) const;
+
+private:
+    Vector3 position;
+    Vector3 direction;
+    Matrix4 view;
+    Matrix4 projection;
+
+    Matrix4 viewProjection;
+
+    struct FrustumPlane
+	{
+        Vector4 plane;
+        Vector3 planeAbs;
+
+        FrustumPlane()
+		{
+		}
+
+        FrustumPlane(const Vector4& plane);
+	};
+
+    FrustumPlane frustumPlanes[6];
+
+    void updateViewProjection();
+};
+
+}
+}