[컴퓨터그래픽스] 소용돌이 실습 (함수 사용하지 않기)

void RenderScene(void)
{
	glClear(GL_COLOR_BUFFER_BIT);	
	glMatrixMode(GL_MODELVIEW);

	GLfloat rotation[16] = {
		cos(30.0), 0, -sin(30.0), 0,
		0, 1, 0, 0,
		sin(30.0), 0, cos(30.0), 0,
		0, 0, 0, 1
	};

	GLfloat translation[16] = {
		1, 0, 0, 0,
		0, 1, 0, 0,
		0, 0, 1, 0,
		0, -0.1, 0, 1
	};

	glPushMatrix();
	
	glColor3f(0.5f, 0.5f, 0.5f);
	glPointSize(3);
	glBegin(GL_POINTS);
	glVertex4f(0.25f, 0.8f, 0.0f, 1.0f);
	glEnd();

	for (int i = 0; i < 35; i++) {
		glMultMatrixf(translation);
		glMultMatrixf(rotation);
		glBegin(GL_POINTS);
		glVertex4f(0.25f, 0.8f, 0.0f, 1.0f);
		glEnd();
	}
	
	glPopMatrix();

	glFlush();
}