linux下opengl编写的简单魔方游戏

/** * Cube.c * MagicCube common functions * * author:GuuJiang * date:09/09/03 */ #include "glFunc.h" #include "Cube.h" #include <time.h> #include <GL/gl.h> //Global MagicCube Cube g_cube; int g_selFace = -1; int g_rotDir; GLfloat g_cubeRot = 90.0; GLubyte colors[][3] = { {255, 0, 0}, //red {255, 255, 0}, //yellow {0, 0, 255}, //blue {255, 0, 255}, //violet {255, 128, 0}, //orange {0, 255, 0} //green }; float rotate[6][4] = { { 90.0f,-1.0f, 0.0f, 0.0f}, //rotate to top { 90.0f, 1.0f, 0.0f, 0.0f}, //rotate to front { 90.0f, 0.0f,-1.0f, 0.0f}, //rotate to left {180.0f, 0.0f, 1.0f, 0.0f}, //rotate to right { 90.0f, 0.0f, 1.0f, 0.0f}, //rotate to back { 90.0f, 1.0f, 0.0f, 0.0f} //rotate to bottom }; int adjVertex[6][6][4] = { { {-1, -1, 0, 0}, { 3, 0, 0, -1}, { 0, 3, -1, 0}, { 2, 3, 1, 0}, { 3, 2, 0, 1}, {-1, -1, 0, 0}, }, { { 3, 2, 0, 1}, {-1, -1, 0, 0}, { 0, 3, -1, 0}, { 2, 3, 1, 0}, {-1, -1, 0, 0}, { 3, 0, 0, -1}, }, { { 3, 2, 0, 1}, { 2, 3, 1, 0}, {-1, -1, 0, 0}, {-1, -1, 0, 0}, { 0, 3, -1, 0}, { 3, 0, 0, -1}, }, { { 3, 2, 0, 1}, { 0, 3, -1, 0}, {-1, -1, 0, 0}, {-1, -1, 0, 0}, { 2, 3, 1, 0}, { 3, 0, 0, -1}, }, { { 3, 2, 0, 1}, {-1, -1, 0, 0}, { 2, 3, 1, 0}, { 0, 3, -1, 0}, {-1, -1, 0, 0}, { 3, 0, 0, -1}, }, { {-1, -1, 0, 0}, { 3, 0, 0, -1}, { 2, 3, 1, 0}, { 0, 3, -1, 0}, { 3, 2, 0, 1}, {-1, -1, 0, 0}, } }; void resetCube() { int face; int x, y; int c = 0; for (face = 0; face < 6; face++) for(x = 0; x < 3; x++) for(y = 0; y < 3; y++) g_cube.block[face][x][y] = face; // g_cube.block[face][x][y] = c++ % 6; srandom(time((time_t*)0)); for (c = 0; c < 100; c++) { rotateCube(random() % 6); } } void rotateCube(int face) { int (*b)[3][3] = g_cube.block; int (*f)[3] = b[face]; int temp; temp = f[0][0]; f[0][0] = f[0][2]; f[0][2] = f[2][2]; f[2][2] = f[2][0]; f[2][0] = temp; temp = f[0][1]; f[0][1] = f[1][2]; f[1][2] = f[2][1]; f[2][1] = f[1][0]; f[1][0] = temp; switch (face) { case 0: temp = b[1][0][2]; b[1][0][2] = b[2][0][2]; b[2][0][2] = b[4][0][2]; b[4][0][2] = b[3][0][2]; b[3][0][2] = temp; temp = b[1][1][2]; b[1][1][2] = b[2][1][2]; b[2][1][2] = b[4][1][2]; b[4][1][2] = b[3][1][2]; b[3][1][2] = temp; temp = b[1][2][2]; b[1][2][2] = b[2][2][2]; b[2][2][2] = b[4][2][2]; b[4][2][2] = b[3][2][2]; b[3][2][2] = temp; break; case 1: temp = b[0][0][0]; b[0][0][0] = b[3][0][2]; b[3][0][2] = b[5][0][0]; b[5][0][0] = b[2][2][0]; b[2][2][0] = temp; temp = b[0][1][0]; b[0][1][0] = b[3][0][1]; b[3][0][1] = b[5][1][0]; b[5][1][0] = b[2][2][1]; b[2][2][1] = temp; temp = b[0][2][0]; b[0][2][0] = b[3][0][0]; b[3][0][0] = b[5][2][0]; b[5][2][0] = b[2][2][2]; b[2][2][2] = temp; break; case 2: temp = b[0][0][0]; b[0][0][0] = b[1][0][0]; b[1][0][0] = b[5][2][2]; b[5][2][2] = b[4][2][2]; b[4][2][2] = temp; temp = b[0][0][1]; b[0][0][1] = b[1][0][1]; b[1][0][1] = b[5][2][1]; b[5][2][1] = b[4][2][1]; b[4][2][1] = temp; temp = b[0][0][2]; b[0][0][2] = b[1][0][2]; b[1][0][2] = b[5][2][0]; b[5][2][0] = b[4][2][0]; b[4][2][0] = temp; break; case 3: temp = b[0][2][0]; b[0][2][0] = b[4][0][2]; b[4][0][2] = b[5][0][2]; b[5][0][2] = b[1][2][0]; b[1][2][0] = temp; temp = b[0][2][1]; b[0][2][1] = b[4][0][1]; b[4][0][1] = b[5][0][1]; b[5][0][1] = b[1][2][1]; b[1][2][1] = temp; temp = b[0][2][2]; b[0][2][2] = b[4][0][0]; b[4][0][0] = b[5][0][0]; b[5][0][0] = b[1][2][2]; b[1][2][2] = temp; break; case 4: temp = b[0][0][2]; b[0][0][2] = b[2][0][0]; b[2][0][0] = b[5][0][2]; b[5][0][2] = b[3][2][2]; b[3][2][2] = temp; temp = b[0][1][2]; b[0][1][2] = b[2][0][1]; b[2][0][1] = b[5][1][2]; b[5][1][2] = b[3][2][1]; b[3][2][1] = temp; temp = b[0][2][2]; b[0][2][2] = b[2][0][2]; b[2][0][2] = b[5][2][2]; b[5][2][2] = b[3][2][0]; b[3][2][0] = temp; break; case 5: temp = b[1][0][0]; b[1][0][0] = b[3][0][0]; b[3][0][0] = b[4][0][0]; b[4][0][0] = b[2][0][0]; b[2][0][0] = temp; temp = b[1][1][0]; b[1][1][0] = b[3][1][0]; b[3][1][0] = b[4][1][0]; b[4][1][0] = b[2][1][0]; b[2][1][0] = temp; temp = b[1][2][0]; b[1][2][0] = b[3][2][0]; b[3][2][0] = b[4][2][0]; b[4][2][0] = b[2][2][0]; b[2][2][0] = temp; break; } } void drawCube() { int face, x, y; float fx, fy; static float offset = 1.0f / 3.0f; int pushFlag1, pushFlag2; glMatrixMode(GL_MODELVIEW); glPushMatrix(); for (face = 0; face < 6; face++) { glLoadName(face); glRotatef(rotate[face][0], rotate[face][1], rotate[face][2], rotate[face][3]); pushFlag1 = 0; if (g_selFace == face) { /* glBegin(GL_LINE_LOOP); glColor3f(1.0, 1.0, 1.0); glVertex3f(-0.5, -0.5, 0.5); glVertex3f(-0.5, 0.5, 0.5); glVertex3f( 0.5, 0.5, 0.5); glVertex3f( 0.5, -0.5, 0.5); glEnd(); */ glBegin(GL_QUADS); glColor3f(0.0, 0.0, 0.0); glVertex3f(-0.49, -0.49, offset / 2.0); glVertex3f(-0.49, 0.49, offset / 2.0); glVertex3f( 0.49, 0.49, offset / 2.0); glVertex3f( 0.49, -0.49, offset / 2.0); glEnd(); glBegin(GL_LINE_LOOP); glColor3f(1.0, 1.0, 1.0); glVertex3f(-0.5, -0.5, offset / 2.0); glVertex3f(-0.5, 0.5, offset / 2.0); glVertex3f( 0.5, 0.5, offset / 2.0); glVertex3f( 0.5, -0.5, offset / 2.0); glEnd(); if (abs(g_cubeRot) < 90.0) { glPushMatrix(); glRotatef(g_cubeRot, 0.0, 0.0, 1.0); pushFlag1 = 1; } } for(x = 0; x < 3; x++) { fx = (x - 1.5f) * offset; for(y = 0; y < 3; y++) { pushFlag2 = 0; if (abs(g_cubeRot) < 90.0 && g_selFace != -1) { int rx = adjVertex[face][g_selFace][0]; int ry = adjVertex[face][g_selFace][1]; int ax = adjVertex[face][g_selFace][2]; int ay = adjVertex[face][g_selFace][3]; if ((x == rx || rx == 3) && (y == ry || ry == 3)) { glPushMatrix(); glRotatef(g_cubeRot, ax, ay, 0); pushFlag2 = 1; } } fy = (y - 1.5f) * offset; glBegin(GL_QUADS); glColor3ubv( colors[ g_cube.block[face][x][y] ] ); glTexCoord2f(0.0f, 0.0f); //bottom left glVertex3f(fx, fy, 0.5f); glTexCoord2f(1.0f, 0.0f); //bottom right glVertex3f(fx + offset, fy, 0.5f); glTexCoord2f(1.0f, 1.0f); //top right glVertex3f(fx + offset, fy + offset, 0.5f); glTexCoord2f(0.0f, 1.0f); //top left glVertex3f(fx, fy + offset, 0.5f); glEnd(); if (pushFlag2 == 1) { glPopMatrix(); } } } if (pushFlag1 == 1) { glPopMatrix(); if (g_rotDir == GLUT_RIGHT_BUTTON) { g_cubeRot += 0.5; if (g_cubeRot >= 90.0) { rotateCube(g_selFace); g_selFace = -1; } } else if(g_rotDir == GLUT_LEFT_BUTTON) { g_cubeRot -= 0.5; if (g_cubeRot <= -90.0) { rotateCube(g_selFace); rotateCube(g_selFace); rotateCube(g_selFace); g_selFace = -1; } } } } glPopMatrix(); }