プログラマ専用SNS ミクプラ

コード:

void DrawGameMain(){
	//スクロール座標調整
	b2Vec2 pos = g_stage.hero->GetPosition();
	int hx = (int)(pos.x * WLDSC);
	int hy = (int)(pos.y * WLDSC);
	if(hx - SCROLL_LIMIT < g_stage.screen_x){
		g_stage.screen_x = hx - SCROLL_LIMIT;
	}
	if(640 - SCROLL_LIMIT < hx - g_stage.screen_x){
		g_stage.screen_x = hx + SCROLL_LIMIT - 640;
	}
	if(hy - SCROLL_LIMIT < g_stage.screen_y){
		g_stage.screen_y = hy - SCROLL_LIMIT;
	}
	if(480 - SCROLL_LIMIT < hy - g_stage.screen_y){
		g_stage.screen_y = hy + SCROLL_LIMIT - 480;
	}
	DrawEnemyAndMap();	//地形描画
	
	//衝突チェック
	g_stage.isontheground = false;
	Collision();
	HeroState hstate = HERO_STANDING;
	int key = GetJoypadInputState(DX_INPUT_KEY_PAD1);
	//主人公の位置と移動ベクトル
	b2Vec2 vec = g_stage.hero->GetLinearVelocity();
	float angle = g_stage.hero->GetAngle();
	//キーチェック
	if(g_stage.isontheground == true){
		//左右移動
		if(key & PAD_INPUT_LEFT){
			vec.x = -PHS(120.0f);
			g_stage.hero->SetLinearVelocity(vec);
			hstate = HERO_RUNNING;
			g_stage.isheroleft = true;
		}
		if(key & PAD_INPUT_RIGHT){
			vec.x = PHS(120.0f);
			g_stage.hero->SetLinearVelocity(vec);
			hstate = HERO_RUNNING;
			g_stage.isheroleft = false;
		}
		//ジャンプ
		if(IsBKeyTrigger(key) == true){
			vec.x = 0;
			vec.y = -62.0f;
			g_stage.hero->ApplyLinearImpulse(vec, pos);
			hstate = HERO_JUMP;
			g_stage.isontheground = false;
		}
	}
	//ジャンプ姿勢へ
	if(g_stage.isontheground == false)	hstate = HERO_JUMP;
	//転倒対策
	if(fabs(angle) > 0.2f)	g_stage.hero->SetAngularVelocity(-angle*2);
	
	DrawHero(hstate);	//主人公描画
	
	if(IsAKeyTrigger(key) == true)	GoGameOver();
}

コード:

b2Body* CreateBox(float x, float y, float w, float h, float angle, bool dynamic){
	//ボディ定義
	b2BodyDef bodyDef;
	if(dynamic)	bodyDef.type = b2_dynamicBody;	//動的ボディ
	else bodyDef.type = b2_staticBody;			//静的ボディ
	bodyDef.position.Set(x, y);
	bodyDef.angle = angle;
	//ボディ作成
	b2Body* body = g_world.CreateBody(&bodyDef);
	//シェイプ作成
	b2PolygonShape staticBox;
	staticBox.SetAsBox(w, h);
	//フィクスチャ定義
	b2FixtureDef fixtureDef;
	fixtureDef.shape = &staticBox;
	fixtureDef.density = 4.0f;		//密度
	fixtureDef.restitution = 0.2f;	//反発力
	body->CreateFixture(&fixtureDef);
	return body;
}

コード:

//マップの読み込み
int LoadMapData(char *filepath){
	int f;				//ファイルハンドル
	char buf[1024];		//テキスト読み込みバッファ

	f = FileRead_open(filepath);
	if(f == 0)	return -1;		//読み込みエラー

	//マップサイズと主人公初期位置読み込み
	if(FileRead_gets(buf, 1023, f) == -1)	return -1;
	float w, h, sx, sy;
	sscanf_s(buf, "%f, %f, %f, %f", &w, &h, &sx, &sy);
	g_stage.mapsize_w = w;
	g_stage.mapsize_h = h;

	//主人公キャラクター
	g_stage.hero = CreateBox(PHS(sx), PHS(sy), PHS(23), PHS(48), 0, true);

	//地形オブジェクトの読み込み
	if(FileRead_gets(buf, 1023, f) == -1)	return -1;
	int imax;
	sscanf_s(buf, "%d", &imax);	//行数取得
	float x, y, angle;
	int id;
	for(int i = 0; i < imax; i++){
		if(FileRead_gets(buf, 1023, f) == -1)	return -1;
		sscanf_s(buf, "%f, %f, %f, %f, %f, %d", &x, &y, &w, &h, &angle, &id);
		//ボディ作成
		Character ch;
		ch.body = CreateBox(PHS(x), PHS(y), PHS(w / 2), PHS(h / 2), angle, false);
		if((int)w == 48)	ch.ID = WALL_48;
		if((int)w == 192)	ch.ID = WALL_192;
		if((int)w == 284)	ch.ID = WALL_284;
		if((int)w == 568)	ch.ID = WALL_568;
		if(id == 1)	ch.ID = GOAL_FLAG;
		ch.used = true;
		g_stage.wall[g_stage.num_mapchara] = ch;
		g_stage.num_mapchara++;
	}

	FileRead_close(f);
	return 0;
}
//主人公の描画
void DrawHero(int hstate){
	b2Vec2 pos = g_stage.hero->GetPosition();
	float angle = g_stage.hero->GetAngle();
	//キャラクター描画
	int animpat = (g_lasttime / (1000 / 12)) % 4;
	switch(hstate){
		case HERO_STANDING:
			DrawRotaGraph(VIWX(pos.x), VIWY(pos.y), 1, angle, g_images.hero[0], TRUE, g_stage.isheroleft);
			break;
		case HERO_RUNNING:
			DrawRotaGraph(VIWX(pos.x), VIWY(pos.y), 1, angle, g_images.hero[1 + animpat], TRUE, g_stage.isheroleft);
			break;
		case HERO_JUMP:
			DrawRotaGraph(VIWX(pos.x), VIWY(pos.y), 1, angle, g_images.hero[5], TRUE, g_stage.isheroleft);
			break;
	}
}
//地形と雪だまの描画
void DrawEnemyAndMap(){
	//地形の描画
	for(int i = 0; i < g_stage.num_mapchara; i++){
		if(g_stage.wall[i].used == false)	continue;
		b2Vec2 pos = g_stage.wall[i].body->GetPosition();
		float angle = g_stage.wall[i].body->GetAngle();
		int id = g_stage.wall[i].ID;
		DrawRotaGraph(VIWX(pos.x), VIWX(pos.y), 1, angle, g_images.wall[id], TRUE);
	}
}