--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Renderer/Test/collision_effect.cc	Fri Jan 27 17:33:16 2012 +0900
@@ -0,0 +1,247 @@
+#include <math.h>
+#include <stdlib.h>
+#include "SceneGraphRoot.h"
+#include "MainLoop.h"
+#include "collision_effect.h"
+
+
+// prototype
+static void ball_move(SceneGraphPtr node, void *sgroot_, int screen_w, int screen_h);
+static void ball_collision(SceneGraphPtr node, void *sgroot_, int screen_w, int screen_h, SceneGraphPtr tree);
+static void jump_move(SceneGraphPtr node, void *sgroot_, int screen_w, int screen_h);
+static void fall_move(SceneGraphPtr node, void *sgroot_, int screen_w, int screen_h);
+static void effect_move(SceneGraphPtr node, void *sgroot_, int screen_w, int screen_h);
+static const float ball_radius = 88.0f;
+static const float target_radius = 88.0f;
+static int targetID;//targetのオブジェクトのIDを保存
+/*
+ * 変数stat でボールの状態を表す。
+ * 0:地上
+ * 1:ジャンプ
+ * 2:左方向へジャンプ
+ * 3:右方向へジャンプ
+ */
+static int stat;
+
+static void
+ball_move(SceneGraphPtr node, void *sgroot_, int screen_w, int screen_h)
+{
+  SceneGraphRoot *sgroot = (SceneGraphRoot *)sgroot_;
+  Pad *pad = sgroot->getController();
+  const float player_speed = 24.0f;
+
+
+  if ( pad->up.isPush() || pad->up.isHold()) {
+    if ( pad->left.isPush() || pad->left.isHold() ){
+      stat = 2;
+    }else if ( pad->right.isPush() || pad->right.isHold() ){
+      stat = 3;
+    }
+    node->set_move_collision(jump_move,ball_collision);
+  }
+  if ( pad->left.isPush() || pad->left.isHold() ) {
+    node->xyz[0] -= player_speed;
+  }else if ( pad->right.isPush() || pad->right.isHold() ) {
+    node->xyz[0] += player_speed;
+  }else if ( pad->down.isPush() || pad->down.isHold() ) {
+    // node->xyz[1] += player_speed;
+  }
+  
+}
+
+static void
+jump_move(SceneGraphPtr node, void *sgroot_, int screen_w, int screen_h)
+{
+  float vy = 0.0f;
+  const float g = 9.8f;
+  const float player_speed = 30.0f;
+  float dt = 2.0f;//frame rate 
+
+  if ( stat == 2 ){
+    node->xyz[0] -= player_speed;
+  }else if ( stat == 3 ){
+    node->xyz[0] += player_speed;
+  }
+  
+  vy += g * dt;
+  node->xyz[1] -= vy * dt;
+  
+  if ( node->xyz[1] < 0 ){
+    node->set_move_collision(fall_move,ball_collision);
+  }
+  
+}
+
+
+static void fall_move(SceneGraphPtr node, void *sgroot_, int screen_w, int screen_h)
+{
+  float vy = 0.0f;
+  const float g = -9.8f;
+  const float dt = 2.0f;//frame rate
+  const float player_speed = 30.0f;
+
+  if ( stat == 2 ){
+    node->xyz[0] -= player_speed;
+  }else if ( stat == 3 ){
+    node->xyz[0] += player_speed;
+  }
+  vy += g * dt;
+  node->xyz[1] -= vy * dt;
+  if (node->xyz[1] >= screen_h/2){
+    node->xyz[1] = screen_h/2;
+    node->set_move_collision(ball_move,ball_collision);
+  }
+}
+
+static void 
+effect_move(SceneGraphPtr node, void *sgroot_, int screen_w, int screen_h)
+{
+  node->remove();
+}
+
+
+static void
+ball_collision(SceneGraphPtr node, void *sgroot_, int screen_w, int screen_h,
+	       SceneGraphPtr tree)
+{
+  SceneGraphRoot *sgroot = (SceneGraphRoot *)sgroot_;
+  SceneGraphIteratorPtr it = sgroot->getIterator(tree);
+  
+  float x_distance,y_distance,distance;
+  
+  float target_speed = 48.0f;
+  
+
+  //IDが"target"のSceneGraphまですすめる
+  it->next(targetID);
+  
+  //targetのシーングラフを取得  
+  SceneGraphPtr target = it->get();
+  x_distance = node->xyz[0] - target->xyz[0];
+  y_distance = node->xyz[1] - target->xyz[1];
+  
+  //二点間の距離を求める
+  distance = hypotf(x_distance,y_distance);
+  
+  //二点間の距離が２つの半径の合計以下なら、衝突
+  if(distance <= (ball_radius + target_radius)){
+    
+    
+    /* 
+     * 交点でエフェクト発生
+     * 接点の座標を(x,y)としたとき、
+     * (x - target->xyz[0]) : (x_distance) = target_radius : distance
+     * (x - target->xyz[0]) = (target_radius / distance)*(x_distance)
+     * 同様に、
+     * (y - target->xyz[1]) = (target_radius / distance)*(y_distance)
+     */
+    
+    float rate = target_radius / distance;
+    float x = rate * x_distance + target->xyz[0];
+    float y = rate * y_distance + target->xyz[1];
+
+    SceneGraphPtr effect = sgroot->createSceneGraph("BLAST3");
+    effect->set_move_collision(effect_move);
+    node->addBrother(effect);
+    
+    //点(x,y)にエフェクト
+    effect->xyz[0] = x;
+    effect->xyz[1] = y;
+    effect->xyz[3] = -30.0f;
+
+    if (node->xyz[1] > target->xyz[1]){
+      //上からぶつかられた場合はのけぞりを大きく
+      target_speed += ball_radius;
+    }
+    
+    if ( node->xyz[0] > target->xyz[0] ){
+      //右からぶつかられた場合
+      target->xyz[0] -= target_speed;
+    } else{
+      //左からぶつかられた場合
+      target->xyz[0] += target_speed;
+    }
+  } 
+}
+
+MainLoopPtr 
+collision_effect::init(Viewer *sgroot, int screen_w, int screen_h)
+{
+    sgroot->OnLightSysSwitch();
+    
+    //ライト設置
+    SceneGraphPtr light = sgroot->getLight(0);
+    sgroot->OnLightSwitch(0);
+    light->xyz[0] = screen_w / 2;
+    light->xyz[1] = screen_h / 2;
+    light->xyz[2] = -100;
+    
+    SceneGraphPtr root = sgroot->createSceneGraph();
+    
+    //effectのシーングラフ作成
+    sgroot->createFromXMLfile("xml_file/blast.xml");
+
+    //ボールのシーングラフ作成
+    SceneGraphPtr ball;
+    sgroot->createFromXMLfile("xml_file/ball.xml");
+    ball = sgroot->createSceneGraph("Ball");
+
+    
+    // ball_moveは最初、絶対地上にいるのでstatを0(地上判定)に更新
+    stat = 0;
+    
+    //初期化
+    ball->xyz[0] = screen_w;
+    ball->xyz[1] = screen_h/2;
+    ball->xyz[2] = 60.0f;
+
+    //rootの子に追加
+    root->addChild(ball);
+
+
+    //targetのシーングラフ作成
+    SceneGraphPtr target = sgroot->createSceneGraph("Ball");
+    //IDの登録
+    targetID = target->sgid;
+    
+    target->xyz[0] = screen_w/2;
+    target->xyz[1] = screen_h/2;
+    target->xyz[2] = 60.f;
+
+
+    //ボールの動きと当たり判定をセット
+    ball->set_move_collision(ball_move, ball_collision);
+
+    root->addChild(target);
+
+    sgroot->setSceneData(root);
+    return sgroot;
+}
+
+extern Application *
+application() {
+    return new collision_effect();
+}
+
+const char *usr_help_str = "Usage: ./test_nogl [OPTION]\n";
+
+extern int init(TaskManager *manager, int argc, char *argv[]);
+extern void task_initialize();
+static void TMend(TaskManager *manager);
+
+int
+TMmain(TaskManager *manager, int argc, char *argv[])
+{
+    task_initialize();
+    manager->set_TMend(TMend);
+    return init(manager, argc, argv);
+
+}
+
+void
+TMend(TaskManager *manager)
+{
+    printf("test_nogl end\n");
+}
+
+/* end */

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Renderer/Test/collision_effect.h	Fri Jan 27 17:33:16 2012 +0900
@@ -0,0 +1,11 @@
+#include <math.h>
+#include <stdlib.h>
+#include "SceneGraphRoot.h"
+#include "Application.h"
+#include "MainLoop.h"
+#include "viewer.h"
+
+class collision_effect : public Application {
+
+    MainLoopPtr init(Viewer *viewer, int screen_w, int screen_h);
+};