Plugin Class

using System;
using Unigine;

/*
 */
class UnigineApp {
	
	/*
	 */
	class FfpPlugin : Plugin {
		
		private float time;
		
		public override void gui() {
			time += Engine.ifps;
			render(time);
		}
		
		private void render(float time) {
			
			App app = Engine.app;
			Ffp ffp = Engine.ffp;
			
			// screen size
			int width = app.GetWidth();
			int height = app.GetHeight();
			float radius = height / 2.0f;
			
			ffp.Enable(Ffp.MODE_SOLID);
			ffp.SetOrtho(width,height);
				
				// begin triangles
				ffp.BeginTriangles();
				
				// vertex colors
				uint[] colors = { 0xffff0000, 0xff00ff00, 0xff0000ff };
				
				// create vertices
				int num_vertex = 16;
				for(int i = 0; i < num_vertex; i++) {
					float angle = MathLib.PI2 * i / (num_vertex - 1) - time;
					float x = width / 2 + (float)Math.Sin(angle) * radius;
					float y = height / 2 + (float)Math.Cos(angle) * radius;
					ffp.AddVertex(x,y);
					ffp.SetColor(colors[i % 3]);
				}
				
				// create indices
				for(int i = 1; i < num_vertex; i++) {
					ffp.AddIndex(0);
					ffp.AddIndex(i);
					ffp.AddIndex(i - 1);
				}
				
				// end triangles
				ffp.EndTriangles();
				
			ffp.Disable();
		}
	}
	
	/*
	 */
	[STAThread]
	static void Main(string[] args) {
		
		// initialize engine
		Engine engine = Engine.Init(Engine.VERSION,args);
		
		// create plugin
		FfpPlugin plugin = new FfpPlugin();
		engine.AddPlugin(plugin);
		
		// enter main loop
		engine.Main();
		
		// remove plugin
		engine.RemovePlugin(plugin);
		
		// shutdown engine
		Engine.Shutdown();
	}
}

int init() {
		
	// show console
	engine.console.setActivity(1);

	return 1;
}