Programming 2D Games

134 5. Sprites and Animation

planet.setX(GAME_WIDTH*0.5f - planet.getWidth()*0.5f);

planet.setY(GAME_HEIGHT*0.5f - planet.getHeight()*0.5f);

return;

}

Listing 5.28. Initializing the nebula and planet.

e Spacewar::render function calls graphics->spriteBegin() to begin draw-

ing sprites. en it calls nebula.draw() and planet.draw() functions to add the neb-

ula and planet to the scene. Sprite drawing is ended by calling graphics->spriteEnd()

(Listing 5.29).

e order of drawing is important. We want the planet to appear in front of the nebula so we

draw the nebula rst and then draw the planet.

We override the releaseAll and resetAll functions ...