C++ Quad::Draw方法代码示例

	void DrawMask( float fPercent )
	{
		RectI rect;

		int iChamber;
		float fChamberOverflowPercent;
		GetChamberIndexAndOverslow( fPercent, iChamber, fChamberOverflowPercent );
		float fRightPercent = GetRightEdgePercent( iChamber, fChamberOverflowPercent );
		float fHeightPercent = GetHeightPercent( iChamber, fChamberOverflowPercent );
		float fChamberLeftPercent = GetChamberLeftPercent( iChamber );
		float fChamberRightPercent = GetChamberRightPercent( iChamber );

		// draw mask for vertical chambers
		rect.left	= int(-METER_WIDTH/2 + fChamberLeftPercent*METER_WIDTH-1);
		rect.top	= int(-METER_HEIGHT/2);
		rect.right	= int(-METER_WIDTH/2 + fChamberRightPercent*METER_WIDTH+1);
		rect.bottom	= int(-METER_HEIGHT/2 + fHeightPercent*METER_HEIGHT);

		rect.left  = MIN( rect.left,  + METER_WIDTH/2 );
		rect.right = MIN( rect.right, + METER_WIDTH/2 );

		m_quadMask.StretchTo( rect );
		m_quadMask.Draw();

		// draw mask for horizontal chambers
		rect.left	= (int)(-METER_WIDTH/2 + fRightPercent*METER_WIDTH); 
		rect.top	= -METER_HEIGHT/2;
		rect.right	= +METER_WIDTH/2;
		rect.bottom	= +METER_HEIGHT/2;

		rect.left  = MIN( rect.left,  + METER_WIDTH/2 );
		rect.right = MIN( rect.right, + METER_WIDTH/2 );

		m_quadMask.StretchTo( rect );
		m_quadMask.Draw();
	}

void Display() {
    glClear(GL_COLOR_BUFFER_BIT);
    quad.Draw();
}

int main(int argc, char **argv) {

	// Create the game window and initalise the VIDEO subsystem
	GameWindow gwd;
	gwd.InitVideo();
	
	gwd.SetBackground((GXColor){ 0, 30, 0, 255 });

	// Initialise Wiimote
	WPAD_Init();

	// Enable SD card stuff
	fatInitDefault();

	// Create a rectangle representing the net and set its properties
	Quad net;
	net.SetPosition(320-2, 0);
	net.SetWidth(4);
	net.SetHeight(480);
	net.SetFillColor((GXColor){ 0, 255, 0, 255 });

	// Create the two score boxes (x position, y position, width)
	ScoreBox firstScoreBox(35, 10, 250);
	ScoreBox secondScoreBox(355, 10, 250);

	// Create and spawn the first player
	Player firstPlayer;
	firstPlayer.spawn(0, 100);

	// Create and spawn the second player
	Player secondPlayer;
	secondPlayer.spawn(510, 610);

	// Create and spawn the ball (-3 seems like a good initial speed!)
	Ball theBall;
	theBall.spawn(-3);

	// Player 2 A.I. is turned on by default
	bool AImode = true;

	// This is the game's run loop. It is executed several times per second.
	while(1) {

		// Look for new Wii controllers
		WPAD_ScanPads();

		// Handle controller events

		// Quit the game (break out of the runloop) if HOME is pressed
		if(WPAD_ButtonsDown(WPAD_CHAN_0)&WPAD_BUTTON_HOME)
			break;

		// Player 1 Controls
		if(WPAD_ButtonsHeld(WPAD_CHAN_0)&WPAD_BUTTON_DOWN)
			firstPlayer.pushDown();
		if(WPAD_ButtonsHeld(WPAD_CHAN_0)&WPAD_BUTTON_UP)
			firstPlayer.pushUp();
		if(WPAD_ButtonsHeld(WPAD_CHAN_0)&WPAD_BUTTON_LEFT)
			firstPlayer.pushLeft();
		if(WPAD_ButtonsHeld(WPAD_CHAN_0)&WPAD_BUTTON_RIGHT)
			firstPlayer.pushRight();

		// Player 2 Controls
		if(WPAD_ButtonsDown(WPAD_CHAN_1)&WPAD_BUTTON_PLUS)
			AImode = !AImode;
		// If AI is enabled, control Player 2 using the following code.
		if ( AImode ) {
			// Player 2 AI
			if (theBall.getYcoord()+10 < secondPlayer.getYcoord()+32)
				secondPlayer.pushUp();
			else if (theBall.getYcoord()+10 > secondPlayer.getYcoord()+32)
				secondPlayer.pushDown();
		}
		// If AI is disabled, let the Wii remote control Player 2.
		else {
			if(WPAD_ButtonsHeld(WPAD_CHAN_1)&WPAD_BUTTON_DOWN)
				secondPlayer.pushDown();
			if(WPAD_ButtonsHeld(WPAD_CHAN_1)&WPAD_BUTTON_UP)
				secondPlayer.pushUp();
			if(WPAD_ButtonsHeld(WPAD_CHAN_1)&WPAD_BUTTON_LEFT)
				secondPlayer.pushLeft();
			if(WPAD_ButtonsHeld(WPAD_CHAN_1)&WPAD_BUTTON_RIGHT)
				secondPlayer.pushRight();
		}

		// Handle all the game objects

		net.Draw();					// Draw the net
		firstScoreBox.Draw();		// Draw the first score box
		secondScoreBox.Draw();		// Draw the second score box

		// Draw the ball, then react if it bounced off the side of the screen.
		switch (theBall.Draw()) {

			// If the ball hit the left side of the screen...
			case -1:
				// Player 1 has failed
				if (secondScoreBox.incrementScore() == false) return 0;
				theBall.spawn(-3);	// Reset ball going left
				firstPlayer.spawn(0, 100);
//.........这里部分代码省略.........