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ae7b1ad056
processing-js 0.4 has been merged in some relevant parts basic and topic scripts added for test color handling fixed, more scripts show up now
62 lines
884 B
Plaintext
62 lines
884 B
Plaintext
float bx;
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float by;
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int bs = 20;
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boolean bover = false;
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boolean locked = false;
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float bdifx = 0.0;
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float bdify = 0.0;
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void setup()
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{
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size(200, 200);
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bx = width/2.0;
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by = height/2.0;
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rectMode(CENTER_RADIUS);
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}
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void draw()
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{
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background(0);
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// Test if the cursor is over the box
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if (mouseX > bx-bs && mouseX < bx+bs &&
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mouseY > by-bs && mouseY < by+bs) {
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bover = true;
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if(!locked) {
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stroke(255);
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fill(153);
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}
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} else {
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stroke(153);
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fill(153);
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bover = false;
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}
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// Draw the box
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rect(bx, by, bs, bs);
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}
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void mousePressed() {
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if(bover) {
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locked = true;
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fill(255, 255, 255);
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} else {
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locked = false;
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}
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bdifx = mouseX-bx;
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bdify = mouseY-by;
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}
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void mouseDragged() {
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if(locked) {
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bx = mouseX-bdifx;
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by = mouseY-bdify;
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}
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}
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void mouseReleased() {
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locked = false;
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}
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