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| 1 | #include <Windows.h> | |
| 2 | ||
| 3 | #include <gl/glew.h> | |
| 4 | #include <gl/glut.h> | |
| 5 | ||
| 6 | #include <iostream> | |
| 7 | ||
| 8 | static int wWidth = 800; | |
| 9 | static int wHeight = 600; | |
| 10 | static float yfov = 45.0f; | |
| 11 | static float zNear = 1.0f; | |
| 12 | static float zFar = 1600.0f; | |
| 13 | ||
| 14 | static float red[] = {
| |
| 15 | 0.63f, | |
| 16 | 0.06f, | |
| 17 | 0.04f, | |
| 18 | 1.0f | |
| 19 | }; | |
| 20 | ||
| 21 | static float green[] = {
| |
| 22 | 0.15f, | |
| 23 | 0.48f, | |
| 24 | 0.09f, | |
| 25 | 1.0f | |
| 26 | }; | |
| 27 | ||
| 28 | static float white[] = {
| |
| 29 | 0.76f, | |
| 30 | 0.75f, | |
| 31 | 0.5f, | |
| 32 | 1.0f | |
| 33 | }; | |
| 34 | ||
| 35 | using namespace std; | |
| 36 | ||
| 37 | void SetupLights(void); | |
| 38 | ||
| 39 | void ReshapeWindow(int width, int height); | |
| 40 | void Render(void); | |
| 41 | ||
| 42 | int main(int argc, char *argv[]) | |
| 43 | {
| |
| 44 | ||
| 45 | glutInit(&argc, argv); | |
| 46 | glewInit(); | |
| 47 | ||
| 48 | glutInitDisplayMode(GLUT_DEPTH | GLUT_RGBA | GLUT_DOUBLE); | |
| 49 | glutInitWindowSize(wWidth, wHeight); | |
| 50 | glutInitWindowPosition(100, 100); | |
| 51 | ||
| 52 | glutCreateWindow("wtf?");
| |
| 53 | ||
| 54 | glutReshapeFunc(ReshapeWindow); | |
| 55 | glutDisplayFunc(Render); | |
| 56 | ||
| 57 | glClearColor(0.0f, 0.0f, 0.0f, 1.0f); | |
| 58 | glEnable(GL_CULL_FACE); | |
| 59 | glCullFace(GL_BACK); | |
| 60 | ||
| 61 | SetupLights(); | |
| 62 | ||
| 63 | glutMainLoop(); | |
| 64 | ||
| 65 | ||
| 66 | } | |
| 67 | ||
| 68 | void SetupLights(void) | |
| 69 | {
| |
| 70 | ||
| 71 | glEnable(GL_LIGHTING); | |
| 72 | ||
| 73 | float lightPosition[] = {
| |
| 74 | 278.0f, | |
| 75 | 425.0f, | |
| 76 | 279.5f, | |
| 77 | 0.0f | |
| 78 | }; | |
| 79 | ||
| 80 | float lightIntensity[] = {
| |
| 81 | 0.75f, | |
| 82 | 0.75f, | |
| 83 | 0.75f, | |
| 84 | 1.0f | |
| 85 | }; | |
| 86 | ||
| 87 | float lightDirection[] = {
| |
| 88 | 0.0f, | |
| 89 | -1.0f, | |
| 90 | 0.0f, | |
| 91 | 0.0f // i think w component is not needed her but w/e | |
| 92 | }; | |
| 93 | ||
| 94 | ||
| 95 | ||
| 96 | glLightfv(GL_LIGHT0, GL_POSITION, lightPosition); | |
| 97 | glLightfv(GL_LIGHT0, GL_AMBIENT_AND_DIFFUSE, lightIntensity); | |
| 98 | glLightfv(GL_LIGHT0, GL_SPECULAR, lightIntensity); | |
| 99 | ||
| 100 | - | //glLightf(GL_LIGHT0, GL_SPOT_CUTOFF, 120.0f); |
| 100 | + | |
| 101 | //glLightf(GL_LIGHT0, GL_SPOT_CUTOFF, 170.0f); | |
| 102 | //glLightf(GL_LIGHT0, GL_SPOT_EXPONENT, 128.0f); | |
| 103 | ||
| 104 | //glLighti(GL_LIGHT0, GL_CONSTANT_ATTENUATION, 1); | |
| 105 | //glLighti(GL_LIGHT0, GL_LINEAR_ATTENUATION, 1); | |
| 106 | //glLighti(GL_LIGHT0, GL_QUADRATIC_ATTENUATION, 1); | |
| 107 | ||
| 108 | glEnable(GL_LIGHT0); | |
| 109 | ||
| 110 | } | |
| 111 | ||
| 112 | void ReshapeWindow(int width, int height) | |
| 113 | {
| |
| 114 | ||
| 115 | float ratio = (float) width / height; | |
| 116 | ||
| 117 | glMatrixMode(GL_PROJECTION); | |
| 118 | ||
| 119 | gluPerspective(yfov, ratio, zNear, zFar); | |
| 120 | gluLookAt(278.0f, 273.0f, -800.0f, 278.0f, 273.0f, -799.0f, 0.0f, 1.0f, 0.0f); | |
| 121 | ||
| 122 | glMatrixMode(GL_MODELVIEW); | |
| 123 | ||
| 124 | } | |
| 125 | ||
| 126 | void Render(void) | |
| 127 | {
| |
| 128 | ||
| 129 | glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); | |
| 130 | ||
| 131 | ||
| 132 | glBegin(GL_TRIANGLES); | |
| 133 | ||
| 134 | // CEILING | |
| 135 | ||
| 136 | glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, white); | |
| 137 | glMaterialfv(GL_FRONT, GL_SPECULAR, white); | |
| 138 | ||
| 139 | glNormal3f(0.0f, -1.0f, 0.0f); | |
| 140 | ||
| 141 | glVertex3f(556.0f, 548.8f, 0.0f); | |
| 142 | glVertex3f(556.0f, 548.0f, 592.2f); | |
| 143 | glVertex3f(0.0f, 548.8f, 0.0f); | |
| 144 | ||
| 145 | glVertex3f(556.0f, 548.0f, 592.2f); | |
| 146 | glVertex3f(0.0f, 548.8f, 592.2f); | |
| 147 | glVertex3f(0.0f, 548.8f, 0.0f); | |
| 148 | ||
| 149 | // FLOOR | |
| 150 | ||
| 151 | glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, white); | |
| 152 | glMaterialfv(GL_FRONT, GL_SPECULAR, white); | |
| 153 | ||
| 154 | glNormal3f(0.0f, 1.0f, 0.0f); | |
| 155 | ||
| 156 | glVertex3f(552.8, 0.0f, 0.0f); | |
| 157 | glVertex3f(0.0f, 0.0f, 0.0f); | |
| 158 | glVertex3f(549.6f, 0.0f, 592.2f); | |
| 159 | ||
| 160 | glVertex3f(0.0f, 0.0f, 0.0f); | |
| 161 | glVertex3f(0.0f, 0.0f, 592.2f); | |
| 162 | glVertex3f(549.6f, 0.0f, 592.2f); | |
| 163 | ||
| 164 | // BACK WALL | |
| 165 | ||
| 166 | glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, white); | |
| 167 | glMaterialfv(GL_FRONT, GL_SPECULAR, white); | |
| 168 | ||
| 169 | glNormal3f(0.0f, 0.0f, -1.0f); | |
| 170 | ||
| 171 | glVertex3f(549.6, 0.0f, 592.2f); | |
| 172 | glVertex3f(0.0f, 0.0f, 592.2f); | |
| 173 | glVertex3f(556.0f, 548.8f, 592.2f); | |
| 174 | ||
| 175 | glVertex3f(0.0f, 0.0f, 592.2f); | |
| 176 | glVertex3f(0.0f, 548.8f, 592.2f); | |
| 177 | glVertex3f(556.0f, 548.8f, 592.2f); | |
| 178 | ||
| 179 | // LEFT WALL | |
| 180 | ||
| 181 | glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, red); | |
| 182 | glMaterialfv(GL_FRONT, GL_SPECULAR, red); | |
| 183 | ||
| 184 | glNormal3f(-1.0f, 0.0f, 0.0f); | |
| 185 | ||
| 186 | glVertex3f(552.8f, 0.0f, 0.0f); | |
| 187 | glVertex3f(549.6f, 0.0f, 592.2f); | |
| 188 | glVertex3f(556.0f, 548.8f, 0.0f); | |
| 189 | ||
| 190 | glVertex3f(549.6f, 0.0f, 592.2f); | |
| 191 | glVertex3f(556.0f, 548.8f, 592.2f); | |
| 192 | glVertex3f(556.0f, 548.8f, 0.0f); | |
| 193 | ||
| 194 | // RIGHT WALL | |
| 195 | ||
| 196 | glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, green); | |
| 197 | glMaterialfv(GL_FRONT, GL_SPECULAR, green); | |
| 198 | ||
| 199 | glNormal3f(1.0f, 0.0f, 0.0f); | |
| 200 | ||
| 201 | glVertex3f(0.0f, 0.0f, 592.2f); | |
| 202 | glVertex3f(0.0f, 0.0f, 0.0f); | |
| 203 | glVertex3f(0.0f, 548.8f, 592.2f); | |
| 204 | ||
| 205 | glVertex3f(0.0f, 0.0f, 0.0f); | |
| 206 | glVertex3f(0.0f, 548.8f, 0.0f); | |
| 207 | glVertex3f(0.0f, 548.8f, 592.2f); | |
| 208 | ||
| 209 | glEnd(); | |
| 210 | ||
| 211 | glutSwapBuffers(); | |
| 212 | ||
| 213 | } |