void RenderScene() 
{			// Give OpenGL our camera position
	glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);	// Clear The Screen And The Depth Buffer
	glLoadIdentity();	
	g_Camera.Look();
	CVector3 vPos		= g_Camera.Position();
	CVector3 vNewPos    = vPos;
	CVector3 vView = g_Camera.View();

	if (introScreen == true) {

		GLTexture tex;
		tex.Load("Intro.bmp");
		tex.Use();
	    glMatrixMode(GL_MODELVIEW);
        glPushMatrix();
        glLoadIdentity();
        glBegin(GL_QUADS);
            glTexCoord2f(0.0, 0.0);
            glVertex3f(-1.0f, -1.0f, -1.5f);
            glTexCoord2f(1.0, 0.0);
            glVertex3f(1.0f, -1.0f, -1.5f);
            glTexCoord2f(1.0, 1.0);
            glVertex3f(1.0f, 1.0f, -1.5f);
            glTexCoord2f(0.0, 1.0);
            glVertex3f(-1.0f, 1.0f, -1.5f);
        glEnd();
        glPopMatrix();
	
		
		//If we are on an introscreen, we can render it here, else...
	} else {
	
		drawText(TimerText, 15, 25);  //Draw text for the timer
		char xPos[100], yPos[100], zPos[100];
		sprintf_s(xPos, "Camera X: %f", g_Camera.Position().x);
		sprintf_s(yPos, "Camera Y: %f", g_Camera.Position().y);
		sprintf_s(zPos, "Camera Z: %f", g_Camera.Position().z);
		drawText(xPos, 15, 45);
		drawText(yPos, 15, 65);
		drawText(zPos, 15, 85);
		perimeterCheck();
		sprintf_s(LivesHUD, "Coins Collected: %d", CoinsCollected);
		drawText(LivesHUD, 15, 105);

		
		
		// Render the terrain as a simple quad - currently it is flat but it could be made into a terrain with a heightmap!
		RenderQuadTerrain();	

		//Draw the skybox
		CreateSkyBox(vNewPos.x,  vNewPos.y,  vNewPos.z,3500,3000,3500);
		DrawCoins();
		
		CollisionTest(g_Camera.Position().x, g_Camera.Position().y, g_Camera.Position().z);
		DrawEnemy();
		DrawEnemy1();
		              
		//Draw SecondaryObjects models
		DrawSecondaryObjects();	
		
		//Apply lighting effects
		LightingEffects();
		escapeAttempt();
if(playerdamageTaken){
	    glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); // additive blending
float blendFactor = 1.0;
glColor4f(1, 0, 0, blendFactor);
glDisable(GL_DEPTH_TEST);// when blendFactor = 0, the quad won't be visible. When blendFactor=1, the scene will be bathed in redness

glBegin(GL_QUADS);                      // Draw A Quad
glVertex3f(-1.0f, 1.0f, 0.0f);              // Top Left
glVertex3f( 1.0f, 1.0f, 0.0f);              // Top Right
glVertex3f( 1.0f,-1.0f, 0.0f);              // Bottom Right
glVertex3f(-1.0f,-1.0f, 0.0f);  

// Bottom Left
glEnd();
glEnable(GL_DEPTH_TEST);
glDisable(GL_BLEND);
	}	
	}
	SwapBuffers(g_hDC);									// Swap the backbuffers to the foreground
}