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var RETURN = 13;
var SHIFT = 16;
var ret_pressed = false;
var drawing;
var radius = 200;
var angle = 0;
var done = false;
var straightLine = false;
var slFirstPos = [];
function setup()
{
createCanvas(100, 100);
drawing = createGraphics(100, 100);
stroke(255, 0, 0);
line(0, 0, 99, 0);
line(0, 0, 0, 99);
line(0, 99, 99, 99);
line(99, 0, 99, 99);
stroke(0);
}
function outOfBounds(x)
{
return constrain(x, 0, 100) != x;
}
function mouseDragged()
{
if (outOfBounds(pmouseX) || outOfBounds(mouseX) ||
outOfBounds(pmouseY) || outOfBounds(mouseY))
return;
stroke(0, 0, 0);
drawing.line(pmouseX, pmouseY, mouseX, mouseY);
line(pmouseX, pmouseY, mouseX, mouseY);
}
function mouseClicked()
{
if (straightLine)
{
line(slFirstPos[0], slFirstPos[1], mouseX, mouseY);
drawing.line(slFirstPos[0], slFirstPos[1], mouseX, mouseY);
straightLine = false;
return;
}
slFirstPos = [mouseX, mouseY];
}
function keyPressed()
{
if (keyCode == RETURN)
{
if (straightLine)
return;
if (ret_pressed)
return;
ret_pressed = true;
createCanvas(600, 600);
}
else if (keyCode == SHIFT)
{
straightLine = true;
}
}
function draw()
{
cursor(ARROW);
if (!ret_pressed)
return;
if (done)
return;
if (angle > TWO_PI)
return;
stroke(255, 0, 0);
tint(255, 0, 0);
var ca = cos(angle) * radius + radius + 50;
var sa = sin(angle) * radius + radius + 50;
image(drawing, ca, sa);
angle += 0.1/6;
}
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