import java.awt.*;

public class hw3 extends BufferedApplet
{




	int w, h, count = 0;
	int colr, colg,colb,currcol = 255;
	double t = 0;
	long time0;
	double elapsed;

	int nbMax = 8;
	Shape shapes[]= new Shape[nbMax];

	public void init() {
		super.init();


	}

	public void render(Graphics g) {
		if (w == 0) {

			w = bounds().width;
			h = bounds().height;

			for (int i=0; i<nbMax; i++){
				shapes[i]=new Shape();
				if (i%5==0)
					shapes[i].sphere(10,10);
				if (i%5==4)
					shapes[i].torus(i*10,i*10,1,0.2);
				if (i%5==2)
					shapes[i].cube();
				if (i%5==3)
					shapes[i].cylinder(20);
				if (i%5==1)
					shapes[i].pyramid(20);
				if (i<4)
					shapes[i].transfo.translate(-2.5+(4*(i+1))/4,0.1,0);
				else
					shapes[i].transfo.translate(-2.5+(4*(i-3))/4,-1.1,0);
				shapes[i].transfo.scale(0.3,0.3,0.3);
			}


			g.setColor(Color.black);    
			g.fillRect(0,0,w,h);
			time0 = System.currentTimeMillis();

		}


		g.setColor(Color.black);    
		g.fillRect(0,0,w,h);
		long time = System.currentTimeMillis();
		elapsed = (time - time0) / 1000.0;
		g.setColor(Color.black);   

		animate();                


		g.setColor(new Color(colr,colg,colb));

		count ++;
		for (int i=0; i<nbMax; i++){

			trace(shapes[i],g);
		}


	}

	void animate() {


		double t1 = Math.sin(elapsed/2);
		double t2 =0.1+ (1 + Math.sin(elapsed))/5;
		double t3 = Math.sin(elapsed * 2);
		double t4 = Math.sin(elapsed * 3);
		double t5 = Math.sin(elapsed/2);
		double t6 = Math.sin(elapsed/7);
		colg = 128 + (int) (0.8 *127* t6);
		colb = 128 + (int) (0.8 *127* t3);
		colr = 128 + (int) (0.8 *127* t5);
		for (int i=0; i<nbMax; i++){
				shapes[i].transfo.translate(0,0.2*t4,0);
				shapes[i].transfo.rotateY(0.2*t1);
				shapes[i].transfo.rotateX(0.01*i);

		}

		///////////////////////////////////////////////////////////////////////////////////////
	}

	int px(double t) { return (int)(w/2 + (int)(t*w/4)); }
	int py(double t) { return (int) (h/2 - (int)(t*w/4)); } 

	void trace(Shape s, Graphics g ){
		transform(s);


		for (int i=0; i<s.NFACES; i++)
			for (int j=0; j<s.NSIDES; j++){
				int index1= s.faces[i][j];
				int index2= s.faces[i][(j+1)%s.NSIDES];
				double[] pt1=s.vertices[index1];
				double[] pt2=s.vertices[index2];

				g.drawLine(s.px[index1],s.py[index1],s.px[index2],s.py[index2]);
			}

	}


	void transform(Shape s){
		double dstxyz[]=new double[3];
		double srcxyz[]=new double[3];
		for (int i=0; i<s.NVERTICES; i++){
			double currvertex[]=s.vertices[i];
			srcxyz[0]=currvertex[0];
			srcxyz[1]=currvertex[1];
			srcxyz[2]=currvertex[2];
			s.transfo.transform(srcxyz,dstxyz);
			s.px[i]=px(dstxyz[0]);
			s.py[i]=py(dstxyz[1]);
		}


	}


}