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annotate Renderer/Test/collision_effect.cc @ 2069:26aa08c9a1de draft default tip

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cuda example fix
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Sun, 12 Feb 2017 10:04:55 +0900
parents 5f12d99e95ac
children
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5f12d99e95ac create test routine collision_effect.cc
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1 #include <math.h>
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2 #include <stdlib.h>
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3 #include "SceneGraphRoot.h"
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4 #include "MainLoop.h"
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5 #include "collision_effect.h"
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6
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7
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8 // prototype
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9 static void ball_move(SceneGraphPtr node, void *sgroot_, int screen_w, int screen_h);
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10 static void ball_collision(SceneGraphPtr node, void *sgroot_, int screen_w, int screen_h, SceneGraphPtr tree);
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11 static void jump_move(SceneGraphPtr node, void *sgroot_, int screen_w, int screen_h);
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12 static void fall_move(SceneGraphPtr node, void *sgroot_, int screen_w, int screen_h);
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13 static void effect_move(SceneGraphPtr node, void *sgroot_, int screen_w, int screen_h);
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14 static const float ball_radius = 88.0f;
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15 static const float target_radius = 88.0f;
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16 static int targetID;//targetのオブジェクトのIDを保存
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17 /*
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18 * 変数stat でボールの状態を表す。
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19 * 0:地上
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20 * 1:ジャンプ
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21 * 2:左方向へジャンプ
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22 * 3:右方向へジャンプ
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23 */
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24 static int stat;
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25
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26 static void
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27 ball_move(SceneGraphPtr node, void *sgroot_, int screen_w, int screen_h)
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28 {
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29 SceneGraphRoot *sgroot = (SceneGraphRoot *)sgroot_;
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30 Pad *pad = sgroot->getController();
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31 const float player_speed = 24.0f;
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32
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33
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34 if ( pad->up.isPush() || pad->up.isHold()) {
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35 if ( pad->left.isPush() || pad->left.isHold() ){
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36 stat = 2;
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37 }else if ( pad->right.isPush() || pad->right.isHold() ){
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38 stat = 3;
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39 }
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40 node->set_move_collision(jump_move,ball_collision);
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41 }
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42 if ( pad->left.isPush() || pad->left.isHold() ) {
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43 node->xyz[0] -= player_speed;
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44 }else if ( pad->right.isPush() || pad->right.isHold() ) {
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45 node->xyz[0] += player_speed;
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46 }else if ( pad->down.isPush() || pad->down.isHold() ) {
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47 // node->xyz[1] += player_speed;
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48 }
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49
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50 }
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51
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52 static void
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53 jump_move(SceneGraphPtr node, void *sgroot_, int screen_w, int screen_h)
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54 {
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55 float vy = 0.0f;
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56 const float g = 9.8f;
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57 const float player_speed = 30.0f;
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58 float dt = 2.0f;//frame rate
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59
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60 if ( stat == 2 ){
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61 node->xyz[0] -= player_speed;
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62 }else if ( stat == 3 ){
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63 node->xyz[0] += player_speed;
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64 }
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65
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66 vy += g * dt;
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67 node->xyz[1] -= vy * dt;
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68
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69 if ( node->xyz[1] < 0 ){
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70 node->set_move_collision(fall_move,ball_collision);
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71 }
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72
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73 }
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74
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75
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76 static void fall_move(SceneGraphPtr node, void *sgroot_, int screen_w, int screen_h)
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77 {
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78 float vy = 0.0f;
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79 const float g = -9.8f;
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80 const float dt = 2.0f;//frame rate
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81 const float player_speed = 30.0f;
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82
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83 if ( stat == 2 ){
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84 node->xyz[0] -= player_speed;
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85 }else if ( stat == 3 ){
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86 node->xyz[0] += player_speed;
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87 }
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88 vy += g * dt;
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89 node->xyz[1] -= vy * dt;
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90 if (node->xyz[1] >= screen_h/2){
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91 node->xyz[1] = screen_h/2;
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92 node->set_move_collision(ball_move,ball_collision);
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93 }
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94 }
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95
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96 static void
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97 effect_move(SceneGraphPtr node, void *sgroot_, int screen_w, int screen_h)
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98 {
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99 node->remove();
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100 }
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101
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102
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103 static void
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104 ball_collision(SceneGraphPtr node, void *sgroot_, int screen_w, int screen_h,
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105 SceneGraphPtr tree)
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106 {
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107 SceneGraphRoot *sgroot = (SceneGraphRoot *)sgroot_;
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108 SceneGraphIteratorPtr it = sgroot->getIterator(tree);
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109
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110 float x_distance,y_distance,distance;
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111
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112 float target_speed = 48.0f;
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113
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114
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115 //IDが"target"のSceneGraphまですすめる
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116 it->next(targetID);
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117
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118 //targetのシーングラフを取得
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119 SceneGraphPtr target = it->get();
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120 x_distance = node->xyz[0] - target->xyz[0];
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121 y_distance = node->xyz[1] - target->xyz[1];
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122
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123 //二点間の距離を求める
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124 distance = hypotf(x_distance,y_distance);
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125
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126 //二点間の距離が２つの半径の合計以下なら、衝突
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127 if(distance <= (ball_radius + target_radius)){
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128
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129
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130 /*
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131 * 交点でエフェクト発生
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132 * 接点の座標を(x,y)としたとき、
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133 * (x - target->xyz[0]) : (x_distance) = target_radius : distance
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134 * (x - target->xyz[0]) = (target_radius / distance)*(x_distance)
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135 * 同様に、
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136 * (y - target->xyz[1]) = (target_radius / distance)*(y_distance)
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137 */
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138
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139 float rate = target_radius / distance;
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140 float x = rate * x_distance + target->xyz[0];
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141 float y = rate * y_distance + target->xyz[1];
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142
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143 SceneGraphPtr effect = sgroot->createSceneGraph("BLAST3");
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144 effect->set_move_collision(effect_move);
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145 node->addBrother(effect);
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146
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147 //点(x,y)にエフェクト
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148 effect->xyz[0] = x;
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149 effect->xyz[1] = y;
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150 effect->xyz[3] = -30.0f;
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151
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152 if (node->xyz[1] > target->xyz[1]){
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153 //上からぶつかられた場合はのけぞりを大きく
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154 target_speed += ball_radius;
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155 }
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156
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157 if ( node->xyz[0] > target->xyz[0] ){
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158 //右からぶつかられた場合
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159 target->xyz[0] -= target_speed;
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160 } else{
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161 //左からぶつかられた場合
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162 target->xyz[0] += target_speed;
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163 }
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164 }
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165 }
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166
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167 MainLoopPtr
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168 collision_effect::init(Viewer *sgroot, int screen_w, int screen_h)
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169 {
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170 sgroot->OnLightSysSwitch();
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171
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172 //ライト設置
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173 SceneGraphPtr light = sgroot->getLight(0);
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174 sgroot->OnLightSwitch(0);
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175 light->xyz[0] = screen_w / 2;
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176 light->xyz[1] = screen_h / 2;
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177 light->xyz[2] = -100;
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178
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179 SceneGraphPtr root = sgroot->createSceneGraph();
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180
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181 //effectのシーングラフ作成
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182 sgroot->createFromXMLfile("xml_file/blast.xml");
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183
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184 //ボールのシーングラフ作成
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185 SceneGraphPtr ball;
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186 sgroot->createFromXMLfile("xml_file/ball.xml");
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187 ball = sgroot->createSceneGraph("Ball");
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188
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189
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190 // ball_moveは最初、絶対地上にいるのでstatを0(地上判定)に更新
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191 stat = 0;
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192
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193 //初期化
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194 ball->xyz[0] = screen_w;
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195 ball->xyz[1] = screen_h/2;
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196 ball->xyz[2] = 60.0f;
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197
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198 //rootの子に追加
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199 root->addChild(ball);
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200
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201
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202 //targetのシーングラフ作成
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203 SceneGraphPtr target = sgroot->createSceneGraph("Ball");
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204 //IDの登録
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205 targetID = target->sgid;
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206
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207 target->xyz[0] = screen_w/2;
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208 target->xyz[1] = screen_h/2;
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209 target->xyz[2] = 60.f;
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210
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211
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212 //ボールの動きと当たり判定をセット
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213 ball->set_move_collision(ball_move, ball_collision);
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214
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215 root->addChild(target);
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216
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217 sgroot->setSceneData(root);
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218 return sgroot;
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219 }
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220
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parents:
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221 extern Application *
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222 application() {
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223 return new collision_effect();
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parents:
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224 }
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225
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parents:
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226 const char *usr_help_str = "Usage: ./test_nogl [OPTION]\n";
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227
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228 extern int init(TaskManager *manager, int argc, char *argv[]);
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229 extern void task_initialize();
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230 static void TMend(TaskManager *manager);
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231
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232 int
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parents:
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233 TMmain(TaskManager *manager, int argc, char *argv[])
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234 {
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235 task_initialize();
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236 manager->set_TMend(TMend);
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237 return init(manager, argc, argv);
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238
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239 }
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240
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241 void
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242 TMend(TaskManager *manager)
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parents:
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243 {
5f12d99e95ac create test routine collision_effect.cc
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244 printf("test_nogl end\n");
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245 }
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246
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247 /* end */