プログラマ専用SNS ミクプラ

コード:

// カメラの情報を格納する構造体
struct CAMERA
{
	VECTOR Position ;  // 座標
	float RotateV;  // 垂直角度
	float RotateH;  // 水平角度
	float RotateT;  // 捻り角度
	float EndRotateV; // 最終角度 - 垂直
	float EndRotateH; // 最終角度 - 水平
	int TurnFlagV;  // 周回フラグ - 垂直
	int TurnFlagH;  // 周回フラグ - 水平
	int FallCameraFlag; // 落下カメラフラグ
} ;



//カメラ
#define CAMERA_X (0.0f)
#define CAMERA_Y (100.0f)
#define CAMERA_Z (0.0f)
#define CAMERA_RADIUS (200.0f)    // 周回の半径
#define CAMERA_TURN_SPEED (18.0f) // 周回の速度
#define CAMERA_DECELERATE (4.0f)  // 周回の減速
#define HALF_PHI_F (1.5707963267948966192313216915f)


// カメラ初期化
void CameraInitialize( void )
{
	Camera.Position.x = Pc.Position.x;
	Camera.Position.y = CAMERA_Y;
	Camera.Position.z = Pc.Position.z;

	Camera.RotateV = 0.0f;
	Camera.RotateH = 0.0f;
	Camera.RotateT = 0.0f;

	Camera.TurnFlagV = 0;
	Camera.TurnFlagH = 0;

	Camera.FallCameraFlag = 0;
}

// カメラ移動
void CameraMove( void )
{
	static float PlusRadius = 0.0f;

	// カメラ右
	if( GameData.NowInput & PAD_INPUT_Z )
	{
		Camera.EndRotateH = Camera.RotateH + (PHI_F / CAMERA_TURN_SPEED);
		Camera.TurnFlagH = 1;
	}
	// カメラ左
	if( GameData.NowInput & PAD_INPUT_X )
	{
		Camera.EndRotateH = Camera.RotateH - (PHI_F / CAMERA_TURN_SPEED);
		Camera.TurnFlagH = 2;
	}
	// カメラ上（落下カメラキャンセル）
	if( GameData.NowInput & PAD_INPUT_Y )
	{
		Camera.EndRotateV = Camera.RotateV + (PHI_F / CAMERA_TURN_SPEED);
		Camera.TurnFlagV = 3;
		Camera.FallCameraFlag = 0;

	}
	// カメラ下
	if( GameData.NowInput & PAD_INPUT_R )
	{
		Camera.EndRotateV = Camera.RotateV - (PHI_F / CAMERA_TURN_SPEED);
		Camera.TurnFlagV = 4;
	}
	// 落下カメラ
	if( Pc.FallFlag == 1 && Camera.FallCameraFlag == 0 )
	{
		Camera.EndRotateV = PHI_F / 3.2f;
		Camera.FallCameraFlag = 1;
	}
	// 落下カメラ終了
	if( Pc.FallFlag == 0 && Camera.FallCameraFlag == 1 )
	{
		Camera.EndRotateV = 0.0f;
		Camera.FallCameraFlag = 0;
		Camera.TurnFlagV = 4;
	}
	// カメラ周回半径初期化
	if(PlusRadius > 0.0f && Camera.FallCameraFlag == 0){
		PlusRadius = 0.0f;
	}

	//カメラ向き調整
	if(Camera.TurnFlagH == 1 && Camera.RotateH < (Camera.EndRotateH + 0.05f)){
		Camera.RotateH += (Camera.EndRotateH - Camera.RotateH) / CAMERA_DECELERATE;
	}
	else if(Camera.TurnFlagH == 2 && Camera.RotateH > (Camera.EndRotateH - 0.05f)){
		Camera.RotateH -= (Camera.RotateH - Camera.EndRotateH) / CAMERA_DECELERATE;
	}
	if(Camera.TurnFlagV == 3 && Camera.RotateV < (Camera.EndRotateV + 0.05f)){
		Camera.RotateV += (Camera.EndRotateV - Camera.RotateV) / CAMERA_DECELERATE;
	}
	else if(Camera.TurnFlagV == 4 && Camera.RotateV > (Camera.EndRotateV - 0.05f)){
		Camera.RotateV -= (Camera.RotateV - Camera.EndRotateV) / CAMERA_DECELERATE;
	}
	if(Camera.FallCameraFlag == 1 && Camera.RotateV < (Camera.EndRotateV + 0.05f)){
		Camera.RotateV += (Camera.EndRotateV - Camera.RotateV) / (CAMERA_DECELERATE * 4.2f);
	}

	// カメラ角度制限
	if(Camera.EndRotateH > PHI_F * 2 && Camera.RotateH > PHI_F * 2){
		Camera.EndRotateH -= PHI_F * 2;
		Camera.RotateH   -= PHI_F * 2;
	}
	else if(Camera.EndRotateH < PHI_F * -2 && Camera.RotateH < PHI_F * -2){
		Camera.EndRotateH += PHI_F * 2;
		Camera.RotateH   += PHI_F * 2;
	}
	if(Camera.EndRotateV < 0.25f && Camera.EndRotateV > -0.25f){
		Camera.EndRotateV = 0.00f;
	}
	else if(Camera.EndRotateV > PHI_F / 4 && Camera.RotateV > PHI_F / 4){
		if(Camera.FallCameraFlag == 0){
			Camera.EndRotateV = Camera.RotateV = PHI_F / 4;
		}else{
			// 落下カメラ 半径拡大
			PlusRadius += 0.5f;
		}
	}
	else if(Camera.EndRotateV < PHI_F / -4 && Camera.RotateV < PHI_F / -4){
		Camera.EndRotateV = Camera.RotateV = PHI_F / -4;
	}

	// カメラ位置調整
	Camera.Position.x = Pc.Position.x - ((CAMERA_RADIUS - PlusRadius) * sin(Camera.RotateV + HALF_PHI_F) * cos(HALF_PHI_F - Camera.RotateH));
	Camera.Position.z = Pc.Position.z - ((CAMERA_RADIUS - PlusRadius) * sin(Camera.RotateV + HALF_PHI_F) * sin(HALF_PHI_F - Camera.RotateH));
	Camera.Position.y = (Pc.Position.y + CAMERA_Y) - ((CAMERA_RADIUS + PlusRadius) * cos(Camera.RotateV + HALF_PHI_F));

	// カメラセット
	SetCameraPositionAndAngle( VGet( Camera.Position.x, Camera.Position.y, Camera.Position.z ),
		Camera.RotateV, Camera.RotateH, Camera.RotateT ) ;
}