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1 #include <math.h>
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2 #include "SceneGraphRoot.h"
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3 #include "vacuum.h"
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4 #define SELECT 2
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5
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6 void
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7 cube_collision(SceneGraphPtr node, void *sgroot_, int screen_w, int screen_h,
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8 SceneGraphPtr tree)
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9 {
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10 SceneGraphRoot *sgroot = (SceneGraphRoot *)sgroot_;
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11 if (node->frame > 120) {
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12 cube_split(node,tree, sgroot);
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13 }
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14 }
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15
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16 void
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17 cube_move_left(SceneGraphPtr node, void *sgroot_, int screen_w, int screen_h)
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18 {
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19 node->xyz[0] -= node->stack_xyz[0];
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20 node->xyz[1] += node->stack_xyz[1];
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21
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22 if (node->xyz[0] < 0) {
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23 node->set_move_collision(cube_move_right, cube_collision);
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24 }
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25
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26 if (node->xyz[1] < 0 || node->xyz[1] > screen_h) {
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27 node->stack_xyz[1] = -node->stack_xyz[1];
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28 }
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29 }
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30
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31 void
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32 cube_rotate(SceneGraphPtr node, int w, int h)
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33 {
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34 node->angle[0] += 2.0f;
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35 node->angle[1] += 2.0f;
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36 node->angle[2] += 2.0f;
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37 }
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38
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39 void
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40 cube_move_right(SceneGraphPtr node, void *sgroot_, int screen_w, int screen_h)
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41 {
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42 node->xyz[0] += node->stack_xyz[0];
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43 node->xyz[1] += node->stack_xyz[1];
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44
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45 if (node->xyz[0] > screen_w) {
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46 node->set_move_collision(cube_move_left, cube_collision);
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47 }
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48
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49 if (node->xyz[1] < 0 || node->xyz[1] > screen_h) {
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50 node->stack_xyz[1] = -node->stack_xyz[1];
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51 }
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52
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53 }
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54
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55 extern int redcube ;
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56 extern int enemy ;
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57
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58 void
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59 cube_split(SceneGraphPtr root,SceneGraphPtr tree, SceneGraphRoot *sgroot
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60 )
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61 {
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62
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63 SceneGraphPtr p;
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64 // SceneGraphPtr common_move = sgroot->createSceneGraph();
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65 // SceneGraphPtr root_common_move = root->parent;
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66
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67 if(random()%SELECT) {
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68 p = sgroot->createSceneGraph(redcube);
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69 }
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70 else {
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71 p = sgroot->createSceneGraph(enemy);
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72 }
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73
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74 root->set_move_collision(cube_move_right, cube_collision);
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75 p->set_move_collision(cube_move_left, cube_collision);
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76
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77 root->frame = 0;
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78 p->frame = 0;
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79
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80 p->xyz[0] = root->xyz[0] + 2;
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81 p->xyz[1] = root->xyz[1];
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82 p->xyz[2] = root->xyz[2];
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83
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84 p->stack_xyz[0] = 2.0f;
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85 p->stack_xyz[1] = random()%3-1;
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86 p->stack_xyz[2] = 0.0f;
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87
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88 root->xyz[0] -= 2;
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89 root->stack_xyz[0] = 2.0f;
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90 root->stack_xyz[1] = random()%3-1;
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91
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92 //common_move->addChild(p);
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93 root->addBrother(p);
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94
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95 }
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96
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97
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98 void
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99 collision_red(SceneGraphIteratorPtr it,SceneGraphPtr node)
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100 {
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101 float dx, dy,ddx,ddy, r;
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102 float q = 0;
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103
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104 for (; it->hasNext(redcube);) {
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105
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106 it->next(redcube);
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107 SceneGraphPtr mcube = it->get();
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108 dx = node->xyz[0] - mcube->xyz[0];
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109 dy = node->xyz[1] - mcube->xyz[1];
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110
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111 ddx = dx*dx;
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112 ddy = dy*dy;
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113
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114 if(sqrt(ddx) < 10 && sqrt(ddy) < 10) {
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115 mcube->remove();
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116 continue;
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117 }
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118 r = sqrt(ddx + ddy);
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119 if (r >= 1) q = 200/r;
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120 if (dx == 0) {
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121 if(mcube->xyz[1] > node->xyz[1]) {
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122 mcube->stack_xyz[1] -= q;
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123 } else if(mcube->xyz[1] < node->xyz[1]) {
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124 mcube->stack_xyz[1] += q;
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125 }
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126 } else {
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127 if(mcube->xyz[0] > node->xyz[0]) {
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128 mcube->xyz[0] -= q*cos(atan(dy/dx));
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129 mcube->xyz[1] -= q*sin(atan(dy/dx));
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130 } else if(mcube->xyz[0] < node->xyz[0]) {
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131 mcube->xyz[0] += q*cos(atan(dy/dx));
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132 mcube->xyz[1] += q*sin(atan(dy/dx));
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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
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138 void
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139 collision_purple(SceneGraphIteratorPtr it,SceneGraphPtr node,int w,int h, SceneGraphRoot *sgroot)
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140 {
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141 float dx, dy,ddx,ddy, r;
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142 float q = 0;
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143
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144 for (; it->hasNext(enemy);) {
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145 it->next(enemy);
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146 SceneGraphPtr mcube = it->get();
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147
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148 dx = node->xyz[0] - mcube->xyz[0];
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149 dy = node->xyz[1] - mcube->xyz[1];
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150 ddx = dx*dx;
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151 ddy = dy*dy;
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152
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153 if(sqrt(ddx) < 10 && sqrt(ddy) < 10) {
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154 gameover_scene(w,h,mcube, sgroot);
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155 node->remove();
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156 break;
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157 }
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158 r = sqrt(ddx + ddy);
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159 if (r >= 1) q = 200/r;
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160 if (dx == 0) {
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161 if(mcube->xyz[1] > node->xyz[1]) {
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162 mcube->stack_xyz[1] -= q;
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163 } else if(mcube->xyz[1] < node->xyz[1]) {
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164 mcube->stack_xyz[1] += q;
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165 }
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166 } else {
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167
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168 if(mcube->xyz[0] > node->xyz[0]) {
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169 mcube->xyz[0] -= q*cos(atan(dy/dx));
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170 mcube->xyz[1] -= q*sin(atan(dy/dx));
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171 } else if(mcube->xyz[0] < node->xyz[0]) {
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172 mcube->xyz[0] += q*cos(atan(dy/dx));
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173 mcube->xyz[1] += q*sin(atan(dy/dx));
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174 }
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175 }
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176 }
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177 }
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