[1853] | 1 | /* |
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| 2 | orxonox - the future of 3D-vertical-scrollers |
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| 3 | |
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| 4 | Copyright (C) 2004 orx |
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| 5 | |
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| 6 | This program is free software; you can redistribute it and/or modify |
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| 7 | it under the terms of the GNU General Public License as published by |
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| 8 | the Free Software Foundation; either version 2, or (at your option) |
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| 9 | any later version. |
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[1855] | 10 | |
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| 11 | ### File Specific: |
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[3657] | 12 | main-programmer: Benjamin Grauer |
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[1855] | 13 | co-programmer: ... |
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[1853] | 14 | */ |
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| 15 | |
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[3657] | 16 | #define DEBUG_SPECIAL_MODULE DEBUG_MODULE_WORLD_MODEL |
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[1853] | 17 | |
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[3657] | 18 | #include "primitive_model.h" |
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[1853] | 19 | |
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[3657] | 20 | #include <math.h> |
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| 21 | #include "vector.h" |
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| 22 | #include "debug.h" |
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[1853] | 23 | |
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[1856] | 24 | using namespace std; |
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[1853] | 25 | |
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[3245] | 26 | /** |
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[3657] | 27 | \brief Creates a 3D-Model of Primitive-Type type |
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[1853] | 28 | |
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[3657] | 29 | if you want to just display a Cube/Sphere/Cylinder/... without any material. |
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| 30 | |
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| 31 | \todo implement Cube/Sphere/Cylinder/... |
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| 32 | */ |
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| 33 | PrimitiveModel::PrimitiveModel(PRIMITIVE type, float size, unsigned int detail) |
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| 34 | { |
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| 35 | this->initialize(); |
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| 36 | |
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| 37 | switch (type) |
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| 38 | { |
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| 39 | default: |
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| 40 | case CUBE: |
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| 41 | this->cubeModel(); |
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| 42 | break; |
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| 43 | case SPHERE: |
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| 44 | this->sphereModel(size, detail); |
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| 45 | break; |
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| 46 | case CYLINDER: |
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| 47 | this->cylinderModel(); |
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| 48 | break; |
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| 49 | case CONE: |
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| 50 | this->coneModel(size, detail); |
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| 51 | break; |
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| 52 | case PLANE: |
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| 53 | this->planeModel(size, detail); |
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| 54 | break; |
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| 55 | } |
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| 56 | this->importToGL (); |
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| 57 | |
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| 58 | this->cleanup(); |
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| 59 | } |
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| 60 | |
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[3245] | 61 | /** |
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| 62 | \brief standard deconstructor |
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[1853] | 63 | |
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[3245] | 64 | */ |
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[3657] | 65 | PrimitiveModel::~PrimitiveModel () |
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[3543] | 66 | { |
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| 67 | // delete what has to be deleted here |
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| 68 | } |
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[1853] | 69 | |
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[3245] | 70 | /** |
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[3657] | 71 | \brief Builds a Sphere into the Model. |
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| 72 | \param size The radius of the Sphere. |
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| 73 | \param detail The detail of the Sphere. |
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| 74 | */ |
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| 75 | void PrimitiveModel::sphereModel(float size, unsigned int detail) |
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| 76 | { |
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| 77 | int vertexCount = 0; |
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| 78 | if (detail <= 0) |
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| 79 | detail = 1; |
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| 80 | // detail = 2; // make it even |
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| 81 | float df = (float)detail; |
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| 82 | |
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| 83 | // defining the Vertices |
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| 84 | for (float i = 0; i < df *2.0; i+=1.0) |
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| 85 | { |
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| 86 | float vi = i/df *PI; |
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| 87 | for (float j = -df / 2.0 +1.0; j < df / 2.0; j+=1.0 *df/(df+1.0)) |
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| 88 | { |
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| 89 | float vj = j/df *PI; |
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| 90 | this->addVertex(size * cos(vi) * cos(vj), |
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| 91 | size * sin(vj), |
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| 92 | size * sin(vi) * cos(vj)); |
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| 93 | this->addVertexTexture(i / (df *2.0), (j-1.0)/(df)+.5); |
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| 94 | vertexCount++; |
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| 95 | } |
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| 96 | } |
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| 97 | this->addVertex(0, -size, 0); |
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| 98 | this->addVertex(0, size, 0); |
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| 99 | |
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| 100 | // defining the binding Faces. |
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| 101 | unsigned int v1, v2, v3, v4; |
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| 102 | for (int i = 0; i <= detail * 2 -1; i++) |
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| 103 | { |
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| 104 | for (int j = 0; j <= detail; j++) |
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| 105 | { |
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| 106 | |
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| 107 | v1 = i*detail + j; |
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| 108 | v4 = i*detail + (j+1); |
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| 109 | |
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| 110 | if (i == detail*2 -1) |
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| 111 | { |
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| 112 | v2 = j; |
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| 113 | v3 = j+1; |
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| 114 | } |
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| 115 | else |
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| 116 | { |
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| 117 | v2 = (i+1)*detail + j; |
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| 118 | v3 = (i+1)*detail + (j+1); |
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| 119 | } |
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| 120 | |
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| 121 | if (j == 0) |
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| 122 | { |
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| 123 | v1 = vertexCount+1; |
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| 124 | this->addFace(3, TEXCOORD, v1, v1, v3, v3, v4, v4); |
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| 125 | } |
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| 126 | else if (j == detail) |
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| 127 | { |
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| 128 | v3 = vertexCount+2; |
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| 129 | this->addFace(3, TEXCOORD, v1, v1, v2, v2, v3, v3); |
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| 130 | } |
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| 131 | else |
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| 132 | this->addFace(4, TEXCOORD, v1, v1, v2, v2, v3, v3, v4, v4); |
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| 133 | } |
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| 134 | } |
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| 135 | } |
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| 136 | /** |
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| 137 | \brief Creates a Cylinder. |
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| 138 | */ |
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| 139 | void PrimitiveModel::cylinderModel(float size, unsigned int detail) |
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| 140 | { |
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| 141 | // check if devision by zero |
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| 142 | if (detail <= 3) |
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| 143 | detail = 3; |
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| 144 | int count = 0; |
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| 145 | // defining Points of the Cylinder. |
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| 146 | for (float phi = 0.0; phi < 2.0*PI; phi += 2.0*PI/(float)detail) |
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| 147 | { |
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| 148 | this->addVertex(size*cos(phi), size*sin(phi), -size); |
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| 149 | this->addVertex(size*cos(phi), size*sin(phi), size); |
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| 150 | count ++; |
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| 151 | } |
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| 152 | this->addVertex(0, 0, -size); |
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| 153 | this->addVertex(0, 0, size); |
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| 154 | |
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| 155 | if (count != detail) |
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| 156 | PRINTF(1)("calculation error, count should be %d but is %d.\n", detail, count); |
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| 157 | |
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| 158 | // adding Faces |
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| 159 | for (int i = 0; i < detail-1; i++) |
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| 160 | { |
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| 161 | int p1, p2, p3, p4; |
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| 162 | p1 = 2*i+1; |
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| 163 | p2 = 2*i+2; |
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| 164 | if (i <= detail); |
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| 165 | p3 = 2*i+4; |
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| 166 | p4 = 2*i+3; |
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| 167 | // something is wrong here |
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| 168 | this->addFace(4, 0, p1, p2, p3, p4); |
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| 169 | this->addFace(3, 0, p4, p1, 2*detail+1); |
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| 170 | this->addFace(3, 0, p2, p3, 2*detail+2); |
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| 171 | } |
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| 172 | addFace(4,0, 2*detail-1, 2*detail, 2, 1); |
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| 173 | this->addFace(3, VERTEX, 1, 2*detail-1, 2*detail+1); |
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| 174 | this->addFace(3, VERTEX, 2*detail, 2, 2*detail+2); |
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| 175 | } |
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| 176 | |
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| 177 | /** |
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| 178 | \brief creates a cone inside of this Model |
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| 179 | \param size The size of the cone |
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| 180 | \param detail the Detail-level of this cone |
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| 181 | */ |
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| 182 | void PrimitiveModel::coneModel(float size, unsigned int detail) |
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| 183 | { |
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| 184 | this->addVertex(0,-size,0); |
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| 185 | this->addVertex(0,size,0); |
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| 186 | if (detail <= 0) |
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| 187 | detail = 1; |
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| 188 | float df = (float)detail; |
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| 189 | |
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| 190 | // defining the Vertices |
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| 191 | for (float i = 0; i < df; i+=1.0) |
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| 192 | { |
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| 193 | float vi = i/df *2.0*PI; |
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| 194 | this->addVertex(size* sin(vi), |
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| 195 | -size, |
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| 196 | size* cos(vi)); |
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| 197 | } |
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| 198 | |
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| 199 | //defining Faces |
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| 200 | for (int i = 0; i < detail; i++) |
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| 201 | { |
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| 202 | unsigned int v1, v2; |
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| 203 | v1 = i+3; |
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| 204 | if (i == detail -1) |
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| 205 | v2 = 3; |
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| 206 | else |
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| 207 | v2 = i+4; |
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| 208 | this->addFace(3, VERTEX, 1, v1, v2); |
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| 209 | this->addFace(3, VERTEX, 2, v1, v2); |
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| 210 | } |
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| 211 | } |
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| 212 | |
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| 213 | /** |
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| 214 | \brief creates a Plane inside of this Model |
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| 215 | \param size The size of this plane |
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| 216 | \param detail the Detail-level of this plane. |
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| 217 | */ |
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| 218 | void PrimitiveModel::planeModel(float size, unsigned int detail) |
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| 219 | { |
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| 220 | //defining vertices |
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| 221 | for (int i = 0; i < detail; i++) |
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| 222 | for (int j = 0; j < detail; j++) |
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| 223 | { |
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| 224 | this->addVertex(((float)i/(float)(detail-1) -.5)*size, |
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| 225 | 0, |
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| 226 | ((float)j/(float)(detail-1) -.5)*size); |
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| 227 | this->addVertexTexture((float)i/(float)(detail-1), |
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| 228 | (float)j/(float)(detail-1)); |
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| 229 | } |
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| 230 | //defining Faces |
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| 231 | unsigned int v1, v2, v3, v4; |
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| 232 | for (int i = 0; i < detail-1; i++) |
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| 233 | for (int j = 1; j < detail; j++) |
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| 234 | { |
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| 235 | v1 = i*detail + j; |
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| 236 | v2 = (i+1)*detail + j; |
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| 237 | v3 = (i+1)*detail + (j+1); |
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| 238 | v4 = i*detail + (j+1); |
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| 239 | this->addFace(4, TEXCOORD, v1, v1, v2, v2, v3, v3, v4, v4); |
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| 240 | } |
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| 241 | } |
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