billboard.cpp

/***************************************************************************
 BillBoard test
 ***************************************************************************/

#include <iostream>

#include "Private.h"
#include "Engine.h"
#include "Camera.h"
#include "BillBoard.h"
#include "KeyBehavior.h"
#include "Keyboard.h"
#include "TextureUtil.h"
#include "Cube.h"

/** Main */
int main(int argc, char *argv[]) {
  cerr << "BillBoard test." << endl;

  if (argc < 2) {
    cerr << "Usage: billboard <image-file>" << endl;
    return 0;
  }
  
  // Create the engine.
  Engine* engine = new Engine(argc, argv);
  engine->setLightning(0.5f, 0.1f);

	// Add a camera. Move a bit.
	Camera* camera = new Camera();
	Group* groupCamera = new Group();
	engine->add(groupCamera);
	groupCamera->setCamera(camera);
	groupCamera->setTranslation(0, 0, 3);
	engine->setEngineCamera(groupCamera);

	// Add a cube
	Cube* cube = new Cube(0.5, 1, 1, 0, 1);
	Group* groupC = new Group();
	groupC->addShape3D(cube);
	engine->add(groupC);

	// Load a texture
	EmTexture* texture = TextureUtil::getInstance()->loadTexture(argv[1]);

	// Add a BillBoard
	BillBoard* billboard = new BillBoard(texture, 1.0, 1.0);
	billboard->setProperty(EM_BILLBOARD_ALPHATEST);
	//	billboard->setProperty(EM_BILLBOARD_TRANS);
	Group* groupBB = new Group();
	engine->add(groupBB);
	groupBB->setBillBoard(billboard);
	
	// Add a behavior to the billboard
	KeyBehavior* keyBeh = new KeyBehavior();
	groupBB->setBehavior(keyBeh);
	
	while (!Keyboard::isKeyDown(SDLK_ESCAPE)) {
	  engine->tick();
	  engine->render();
	  engine->swap();
	}
	delete(engine);
	return 0;
}

#if EM_USE_ALLEGRO
END_OF_MAIN();
#endif