Cylinder.pde
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	class Cylinder {
	float cylinderBaseSize = 50;
	float cylinderHeight = 50;
	int cylinderResolution = 40;

	PShape openCylinder = new PShape();
	PShape closedCylinder = new PShape();

	Cylinder() {
	float angle;
	float[] x = new float[cylinderResolution + 1];
	float[] y = new float[cylinderResolution + 1];
	//get the x and y position on a circle for all the sides
	for (int i = 0; i < x.length; i++) {
	angle = (TWO_PI / cylinderResolution) * i;
	x[i] = sin(angle) * cylinderBaseSize;
	y[i] = cos(angle) * cylinderBaseSize;
	}
	openCylinder = createShape();
	openCylinder.beginShape(QUAD_STRIP);
	//draw the border of the cylinder
	for (int i = 0; i < x.length; i++) {
	openCylinder.vertex(x[i], y[i], 0);
	openCylinder.vertex(x[i], y[i], cylinderHeight);
	}
	openCylinder.endShape();

	closedCylinder= createShape();
	closedCylinder.beginShape(TRIANGLE_FAN);
	closedCylinder.vertex(0, 0, cylinderHeight);
	for (int i = 0; i < x.length; i++) {
	closedCylinder.vertex(x[i], y[i], cylinderHeight);
	}
	closedCylinder.endShape();
	}

	void draw(float x,float y,float z,float r) {
	pushMatrix();
	translate(x, z, y);
	rotateX(r);
	shape(openCylinder);
	shape(closedCylinder);
	popMatrix();
	}
	}