| 1 | /* |
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| 2 | ----------------------------------------------------------------------------- |
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| 3 | This source file is part of OGRE |
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| 4 | (Object-oriented Graphics Rendering Engine) |
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| 5 | For the latest info, see http://www.ogre3d.org/ |
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| 6 | |
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| 7 | Copyright (c) 2000-2006 Torus Knot Software Ltd |
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| 8 | Also see acknowledgements in Readme.html |
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| 9 | |
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| 10 | You may use this sample code for anything you like, it is not covered by the |
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| 11 | LGPL like the rest of the engine. |
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| 12 | ----------------------------------------------------------------------------- |
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| 13 | */ |
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| 14 | |
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| 15 | |
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| 16 | #ifndef _WATER_MESH_H_ |
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| 17 | #define _WATER_MESH_H_ |
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| 18 | |
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| 19 | #include "OgrePlatform.h" |
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| 20 | #include "Ogre.h" |
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| 21 | |
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| 22 | using namespace Ogre ; |
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| 23 | |
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| 24 | class WaterMesh |
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| 25 | { |
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| 26 | private: |
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| 27 | MeshPtr mesh ; |
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| 28 | SubMesh *subMesh ; |
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| 29 | float *vertexBuffers[3] ; // we need 3 vertex buffers |
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| 30 | int currentBuffNumber ; |
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| 31 | int complexity ; |
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| 32 | String meshName ; |
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| 33 | int numFaces ; |
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| 34 | int numVertices ; |
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| 35 | Vector3* vNormals ; |
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| 36 | |
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| 37 | HardwareVertexBufferSharedPtr posVertexBuffer ; |
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| 38 | HardwareVertexBufferSharedPtr normVertexBuffer ; |
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| 39 | HardwareVertexBufferSharedPtr texcoordsVertexBuffer ; |
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| 40 | HardwareIndexBufferSharedPtr indexBuffer ; |
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| 41 | |
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| 42 | Real lastTimeStamp ; |
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| 43 | Real lastAnimationTimeStamp; |
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| 44 | Real lastFrameTime ; |
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| 45 | |
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| 46 | void calculateFakeNormals(); |
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| 47 | void calculateNormals(); |
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| 48 | public: |
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| 49 | WaterMesh(const String& meshName, Real planeSize, int complexity) ; |
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| 50 | |
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| 51 | virtual ~WaterMesh (); |
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| 52 | |
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| 53 | |
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| 54 | /** "pushes" a mesh at position [x,y]. Note, that x,y are float, hence |
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| 55 | * 4 vertices are actually pushed |
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| 56 | * @note |
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| 57 | * This should be replaced by push with 'radius' parameter to simulate |
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| 58 | * big objects falling into water |
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| 59 | */ |
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| 60 | void push(Real x, Real y, Real depth, bool absolute=false) ; |
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| 61 | |
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| 62 | /** gets height at given x and y, takes average value of the closes nodes */ |
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| 63 | Real getHeight(Real x, Real y); |
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| 64 | |
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| 65 | /** updates mesh */ |
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| 66 | void updateMesh(Real timeSinceLastFrame) ; |
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| 67 | |
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| 68 | Real PARAM_C ; // ripple speed |
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| 69 | Real PARAM_D ; // distance |
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| 70 | Real PARAM_U ; // viscosity |
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| 71 | Real PARAM_T ; // time |
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| 72 | bool useFakeNormals ; |
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| 73 | } ; |
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| 74 | |
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| 75 | #endif |
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