function setup() { 

	createCanvas(700,700);



}

	

	function draw() {

	

  noStroke();

		background( 255,255 , 255);

		

		noStroke();

		fill(100,255,frameCount%256　);

		triangle(350,0,0,350,mouseX,mouseY);	

	

		noStroke();

				fill(200,0,frameCount%256　);

		triangle(350,0,700,350,mouseX,mouseY);



		noStroke();

			fill(0,frameCount%256,200　);

	    triangle(0,350,350,700,mouseX,mouseY);

	

		noStroke();

				fill(150,150,frameCount%256　);

		triangle(mouseX,mouseY,350,700,700,350);



	  

		

	

	}