[ OpenGL ] 사람 클래스 구현 ( 이동과 점프 애니메이션 )

( ** 인프런에서 들은 강의 '홍정모의 게임 만들기 연습 문제 패키지'를 통해서 공부한 내용과 연습 문제 풀이입니다. **)

 

	// MyExample4
	class Person {

	public:

		float time = 0.0f; // 시간
		float dx = 0.0f; // x 거리
		float dy = 0.0f; // y 거리

		Person(float _dx) : dx(_dx)
		{ }

		void move() {

			// gold face
			beginTransformation();
			translate(0.0f + dx, 0.12f);
			drawFilledCircle(Colors::gold, 0.08f);
			translate(0.05f, 0.03f);
			drawFilledCircle(Colors::white, 0.01f); // while eye
			endTransformation();

			// green leg2
			beginTransformation();
			translate(0.0f + dx, -0.6f);
			translate(0.0f, 0.2f);
			rotate(-sinf(time + 3.141592f) * 30.0f);	// animation!
			translate(0.0f , -0.2f);
			drawFilledBox(Colors::green, 0.1f, 0.4f);
			endTransformation();

			// yellow arm2
			beginTransformation();
			translate(0.0f + dx, 0.0f);
			rotate(-sinf(time) * 30.0f);					// animation!
			scale(1.0f, 2.0f);
			translate(0.0f, -0.1f);
			drawFilledBox(Colors::yellow, 0.05f, 0.18f);
			endTransformation();

			// red body
			beginTransformation();
			scale(1.0f, 2.0f);
			translate(0.0f + dx, -0.1f);
			drawFilledBox(Colors::red, 0.13f, 0.2f);
			endTransformation();

			// yellow arm1
			beginTransformation();
			translate(0.0f + dx, 0.0f);
			rotate(sin(time) * 30.0f);					// animation!
			scale(1.0f, 2.0f);
			translate(0.0f, -0.1f);
			drawFilledBox(Colors::yellow, 0.05f, 0.18f);
			endTransformation();

			// green leg1
			beginTransformation();
			translate(0.0f + dx, -0.6f);
			translate(0.0f, 0.2f);
			rotate(sinf(time + 3.141592f) * 30.0f);	// animation!
			translate(0.0f, -0.2f);
			drawFilledBox(Colors::green, 0.1f, 0.4f);
			endTransformation();

		}

		void jump() {

			// gold face
			beginTransformation();
			translate(0.0f + dx, 0.12f + dy);
			drawFilledCircle(Colors::gold, 0.08f);
			translate(0.05f, 0.03f);
			drawFilledCircle(Colors::white, 0.01f); // while eye
			endTransformation();

			// red body
			beginTransformation();
			translate(0.0f, dy);
			scale(1.0f, 2.0f);
			translate(0.0f + dx, -0.1f);
			drawFilledBox(Colors::red, 0.13f, 0.2f);
			endTransformation();

			// green leg
			beginTransformation();
			translate(0.0f + dx, -0.6f + dy);
			drawFilledBox(Colors::green, 0.1f, 0.4f);
			endTransformation();

			// yellow arm
			beginTransformation();
			translate(0.0f + dx, 0.0f + dy);
			scale(2.0f, 1.0f);
			translate(0.08f, -0.05f);
			drawFilledBox(Colors::yellow, 0.18f, 0.05f);
			endTransformation();

			// skyblue beam
			beginTransformation();
			translate(0.0f + dx, 0.0f + dy);
			scale(1.0f, 1.0f);
			translate(0.4f, -0.05f);
			drawFilledBox(Colors::skyblue, 0.05f, 0.05f);
			endTransformation();

		}

	};

	class MyExample4 : public Game2D
	{
	private:
		Person * ps[5];
		bool up_jumping = false;
		bool down_jumping = false; 

	public:
		MyExample4()
		{
			for (int i = 0; i < 5; i++) 
				ps[i] = new Person(-1.0f + i * 0.5f);
		}

		void update() override
		{

			//make ground
			beginTransformation();
			translate(0.0f, -1.0f);
			drawFilledBox(Colors::green, 5.0f, 0.5f);
			endTransformation();

			//setting jump
			if (isKeyPressedAndReleased(GLFW_KEY_SPACE))
			{
				if (!up_jumping && !down_jumping)
					up_jumping = true;
			}

			// up jump
			if (up_jumping)
			{
				// up..
				if (ps[0]->dy >= 0.0f && ps[0]->dy <= 0.5f)
				{
					for (int i = 0; i < 5; i++) 
					{
						ps[i]->dy += 0.001f;
						ps[i]->jump();
						ps[i]->time += this->getTimeStep();
					}

					if (ps[0]->dy >= 0.4f)
					{
						up_jumping = false;
						down_jumping = true;
					}
				}
			}

			// down jump
			else if (down_jumping)
			{
				// down..
				if (ps[0]->dy >= 0.0f && ps[0]->dy <= 0.5f)
				{
					for (int i = 0; i < 5; i++)
					{
						ps[i]->dy -= 0.001f;
						ps[i]->jump();
						ps[i]->time += this->getTimeStep();
					}

					if (ps[0]->dy <= 0.0f)
					{
						for (int i = 0; i < 5; i++)
						{
							ps[i]->dy = 0.0f;
						}
						down_jumping = false;
					}
				}
			}

			//move
			else 
			{
				for (int i = 0; i < 5; i++) {
					ps[i]->move();
					ps[i]->time += this->getTimeStep();
				}
			}
		}
	};

사람.mp4

6.64MB

 

**** 키워드 : sin과 cos을 이용한 애니메이션 구현, 점프 예외처리 ****