#include <stdlib.h>

#include <helianthus.h>

#include "drawing.h"

static double t = 0;

static int w = 0, h = 0;

static Framebuffer buffer;

static Animation texture;

void framebufferInit() {

	buffer = createFramebufferFromFile("data/sprite/snake.png");

	w = framebufferGetWidth(buffer);

	h = framebufferGetHeight(buffer);

	texture = createAnimationFromFramebuffer(buffer);

}

void framebufferDraw() {

	double step = 0.1;

	t += windowGetFrameTime();

	while(t > step) {

		saveState();

		target(buffer);

		strokeWidth(randomFloat()*64);

		stroke(colorByHSVA(randomFloat()*360, 1, 1, randomFloat()));

		point( randomFloat()*w, randomFloat()*h );

		restoreState();

		t -= step;

	}

	saveState();

	translate(1024 - 256, 256);

	rotate(30);

	fill(colorByName("white"));

	stroke(colorByName("blue"));

	strokeWidth(2);

	rectTextured(texture, -0.5*w, -0.5*h, w, h);

	restoreState();

}