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[2954] | 1 | #ifndef _SKYPREETHAM_H__
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| 2 | #define _SKYPREETHAM_H__
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| 3 |
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[2957] | 4 | #include "glInterface.h"
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[2960] | 5 | #include "common.h"
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[2957] | 6 | #include <Cg/cg.h>
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| 7 | #include <Cg/cgGL.h>
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| 8 |
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| 9 |
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[2955] | 10 | namespace CHCDemoEngine{
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| 11 | class Vector3;
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[2957] | 12 | class SceneEntity;
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| 13 | class RenderState;
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| 14 | class Camera;
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[2955] | 15 | }
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| 16 |
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| 17 | class SkyPreetham
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[2954] | 18 | {
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| 19 | public:
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[2957] | 20 | /// Constructor taking sky turbitity as parameter and the sky dome geometry
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| 21 | SkyPreetham(float turbitity, CHCDemoEngine::SceneEntity *skyDome);
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[2954] | 22 | virtual ~SkyPreetham();
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| 23 |
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[2983] | 24 | void RenderSkyDome(const CHCDemoEngine::Vector3 &sunDir, CHCDemoEngine::Camera *camera, CHCDemoEngine::RenderState *state, bool scaleToRange);
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[2955] | 25 |
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[2957] | 26 | static void Init(CGcontext context);
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| 27 |
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[2960] | 28 | void ComputeFactors(const CHCDemoEngine::Vector3 &sunDir,
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| 29 | CHCDemoEngine::Vector3 &zenithColor,
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| 30 | std::vector<CHCDemoEngine::Vector3> &ABCDE,
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| 31 | std::pair<float, float> &sunThetha) const;
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| 32 |
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[2982] | 33 | void ComputeSunColor(const CHCDemoEngine::Vector3 &sunDir,
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| 34 | CHCDemoEngine::Vector3 &ambient,
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| 35 | CHCDemoEngine::Vector3 &diffuse,
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| 36 | bool scaleToRange) const;
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[2960] | 37 |
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| 38 |
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[2954] | 39 | protected:
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| 40 |
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[2958] | 41 | void RenderSunDisk(const CHCDemoEngine::Vector3 &lightDir, CHCDemoEngine::Camera *camera);
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[2955] | 42 | void CreateSunQuad();
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[2954] | 43 |
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| 44 |
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| 45 | /// Members.
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[2955] | 46 | /* FEffect* mEffect;
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[2954] | 47 |
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| 48 | FEffect* mSunEffect;
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| 49 | FTexture2D* mSunTexture;
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| 50 | FVertexBuffer* mSunQuad;
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[2955] | 51 | */
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[2957] | 52 | CHCDemoEngine::SceneEntity *mSkyDome;
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| 53 |
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[2954] | 54 | float mTurbidity;
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| 55 | };
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| 56 |
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| 57 | #endif //_SKYPREETHAM_H__
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| 58 |
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