topical media & game development
#javascript-processing-example-basic-inputs-mouse1d.htm / htm
<!DOCTYPE html>
<html><head>
<script src="javascript-processing-example-processing.js"></script>
<script src="javascript-processing-example-init.js"></script>
<link rel="stylesheet" href="javascript-processing-example-style.css">
</head><body><h1><a href="http://ejohn.org/blog/processingjs/">Processing.js</a></h1>
<h2>Mouse1D</h2>
<p>Move the mouse left and right to shift the balance.
The "mouseX" variable is used to control both the
size and color of the rectangles.</p>
<p><a href="http://processing.org/learning/basics/mouse1d.html"><b>Original Processing.org Example:</b> Mouse1D</a><br>
<script type="application/processing">
int gx = 15;
int gy = 35;
float leftColor = 0.0;
float rightColor = 0.0;
void setup()
{
size(200, 200);
colorMode(RGB, 1.0);
noStroke();
}
void draw()
{
background(0.0);
update(mouseX);
fill(0.0, leftColor + 0.4, leftColor + 0.6);
rect(width/4-gx, width/2-gx, gx*2, gx*2);
fill(0.0, rightColor + 0.2, rightColor + 0.4);
rect(width/1.33-gy, width/2-gy, gy*2, gy*2);
}
void update(int x)
{
leftColor = -0.002 * x/2 + 0.06;
rightColor = 0.002 * x/2 + 0.06;
gx = x/2;
gy = 100-x/2;
if (gx < 10) {
gx = 10;
} else if (gx > 90) {
gx = 90;
}
if (gy > 90) {
gy = 90;
} else if (gy < 10) {
gy = 10;
}
}
</script><canvas width="200" height="200"></canvas></p>
<div style="overflow: hidden; height: 0px; width: 0px;"></div>
<pre><b>// All Examples Written by <a href="http://reas.com/">Casey Reas</a> and <a href="http://benfry.com/">Ben Fry</a>
// unless otherwise stated.</b>
int gx = 15;
int gy = 35;
float leftColor = 0.0;
float rightColor = 0.0;
void setup()
{
size(200, 200);
colorMode(RGB, 1.0);
noStroke();
}
void draw()
{
background(0.0);
update(mouseX);
fill(0.0, leftColor + 0.4, leftColor + 0.6);
rect(width/4-gx, width/2-gx, gx*2, gx*2);
fill(0.0, rightColor + 0.2, rightColor + 0.4);
rect(width/1.33-gy, width/2-gy, gy*2, gy*2);
}
void update(int x)
{
leftColor = -0.002 * x/2 + 0.06;
rightColor = 0.002 * x/2 + 0.06;
gx = x/2;
gy = 100-x/2;
if (gx < 10) {
gx = 10;
} else if (gx > 90) {
gx = 90;
}
if (gy > 90) {
gy = 90;
} else if (gy < 10) {
gy = 10;
}
}</pre>
</body></html>
(C) Æliens
20/2/2008
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