[2954] | 1 | #ifndef _SKYPREETHAM_H__
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| 2 | #define _SKYPREETHAM_H__
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| 3 |
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[2960] | 4 | #include "common.h"
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[3021] | 5 | #include "ShaderProgram.h"
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| 6 |
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[2957] | 7 |
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| 8 |
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[3021] | 9 | namespace CHCDemoEngine {
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| 10 | class Vector3;
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| 11 | class SceneEntity;
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| 12 | class RenderState;
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| 13 | class Camera;
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[3038] | 14 | class ShaderProgram;
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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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[3021] | 22 |
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| 23 | ~SkyPreetham();
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[2954] | 24 |
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[3021] | 25 | void RenderSkyDome(const CHCDemoEngine::Vector3 &sunDir,
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| 26 | CHCDemoEngine::Camera *camera,
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| 27 | CHCDemoEngine::RenderState *state,
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| 28 | bool scaleToRange);
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[2955] | 29 |
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[2960] | 30 | void ComputeFactors(const CHCDemoEngine::Vector3 &sunDir,
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| 31 | CHCDemoEngine::Vector3 &zenithColor,
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| 32 | std::vector<CHCDemoEngine::Vector3> &ABCDE,
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| 33 | std::pair<float, float> &sunThetha) const;
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| 34 |
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[2982] | 35 | void ComputeSunColor(const CHCDemoEngine::Vector3 &sunDir,
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| 36 | CHCDemoEngine::Vector3 &ambient,
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| 37 | CHCDemoEngine::Vector3 &diffuse,
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| 38 | bool scaleToRange) const;
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[2960] | 39 |
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[3038] | 40 | void InitCG();
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[2960] | 41 |
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[3021] | 42 |
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[2954] | 43 | protected:
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| 44 |
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[2958] | 45 | void RenderSunDisk(const CHCDemoEngine::Vector3 &lightDir, CHCDemoEngine::Camera *camera);
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[2955] | 46 | void CreateSunQuad();
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[2954] | 47 |
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| 48 |
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[3038] | 49 | //////////
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[2954] | 50 |
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[3038] | 51 | /* FEffect* mEffect;
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| 52 |
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[2954] | 53 | FEffect* mSunEffect;
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| 54 | FTexture2D* mSunTexture;
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| 55 | FVertexBuffer* mSunQuad;
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[3038] | 56 | */
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| 57 |
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[2957] | 58 | CHCDemoEngine::SceneEntity *mSkyDome;
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| 59 |
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[3038] | 60 | /// the turbidity of the sky
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[2954] | 61 | float mTurbidity;
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[3021] | 62 |
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[3038] | 63 | CHCDemoEngine::ShaderProgram *mSkyVtxProgram;
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| 64 | CHCDemoEngine::ShaderProgram *mSkyFragProgram;
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[2954] | 65 | };
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| 66 |
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| 67 | #endif //_SKYPREETHAM_H__
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| 68 |
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