devkitPro

Code: Select all

int main()
{	
	//int triangle[3][3] = { {100,100,0}, {60,180,0}, {140,180,0} };
	//int triangle[3][3] = { {60,60,0}, {40,80,0}, {80,80,0} };
	int triangle[3][3] = { {0,0,0}, {10,0,0}, {0,10,0} };
	//int triangle[3][3] = { {0.0f, 1.0f, 0.0f}, {-1.0f,-1.0f, 0.0f}, {1.0f,-1.0f, 0.0f} };
	int tricolor[3][3] = { {1.0f, 0.0f, 0.0f}, {0.0f, 1.0f, 0.0f}, {0.0f, 0.0f, 1.0f} };
	
	touchPosition touchXY;
	
	//lcdMainOnTop();
	lcdMainOnBottom();
	
	//set mode 0, enable BG0 and set it to 3D
	videoSetMode(MODE_0_3D);
	consoleDemoInit();
	
	// initialize gl
	glInit();
	
        // map coords directly to screen
	glViewport(0, 0, 255, 191);
	glMatrixMode(GL_PROJECTION);
	glLoadIdentity();
	glOrtho(0, 255, 0, 191, -1, 1);
	//gluPerspective(70, 256.0 / 192.0, 0.1, 100);
	glScalef(1, -1, 1);
	glTranslatef(0, -191, 0);
       // \map coords directly to screen

	//ds specific, several attributes can be set here
	glPolyFmt(POLY_ALPHA(31) | POLY_CULL_NONE);
	
	glMatrixMode(GL_MODELVIEW);
	glLoadIdentity();
	
	gluLookAt (0, 0, -1, 0, 0, 1, 0, 1, 0);
	
	float zoom = 0;
	int nTexture = 0;
	int oldx0 = 0, oldy0 = 0;
	int oldx1 = 0, oldy1 = 0;
	int mx = 0, my = 0;
	int rx = 0, ry = 0;
	int screen = 0;
	int i = 0, j=0;
	
	while(1)		
	{
		glPushMatrix();
		
		scanKeys();
		touchRead(&touchXY);
		
		u16 pressed = keysDown();
		u16 keys = keysHeld();
		
		//reset x and y when user touches screen
		if(pressed & KEY_TOUCH)  
		{
			oldx1 = touchXY.px;
			oldy1 = touchXY.py;
		}
		
		//if user drags then grab the delta
		if(keys & KEY_TOUCH) 
		{
			mx += touchXY.px - oldx1; 
			my += touchXY.py - oldy1;
			oldx1 = touchXY.px;
			oldy1 = touchXY.py;
		}
		
		//glTranslatef(mx,my,zoom);
		
		
		glBegin(GL_TRIANGLES);
		//for (int i = 
		//{
			for (j=0; j<3; j++)
			{
				glColor3f (tricolor[j][0], tricolor[j][1], tricolor[j][2]);
				glVertex3f(triangle[j][0], triangle[j][1], triangle[j][2]);
			}
		//} inttov16(
		glEnd();
		
		/*
		glBegin(GL_TRIANGLES);
			glColor3f(0.0, 0.0, 1.0);  //blue
			glVertex3f(0, 0, 0);
			glColor3f(0.0, 1.0, 0.0);  //green 
			glVertex3f(200, 200, 0);
			glColor3f(1.0, 0.0, 0.0);  //red
			glVertex3f(20, 200, 0);
		glEnd();
		*/
		
		glPopMatrix(1);
		
		glFlush(0);
		swiWaitForVBlank();
	}

return 0;
}

Code: Select all

glInit();
glEnable(GL_TEXTURE_2D);
glViewport(0,0,255,191);