83 lines
1.8 KiB
JavaScript
83 lines
1.8 KiB
JavaScript
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let slider, clearButton;
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function setup(){
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createCanvas(windowWidth-20,windowHeight-20);
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background(200);
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slider = createSlider(1,50,1);
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slider.position(10,15);
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slider.style('width', '80px');
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clearButton = createButton('Clear');
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clearButton.position(width - 50, 10);
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clearButton.mousePressed(clearBoard)
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}
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function draw(){
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let val = slider.value();
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fill(240);
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strokeWeight(0);
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rect(0,0,width,60);
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fill(0);
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text(val, 100, 22.5);
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//colors
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fill(255,0,0);
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rect(120,5,50,50);
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fill(0,255,0);
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rect(170,5,50,50);
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fill(0,0,255);
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rect(220,5,50,50);
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fill(255,255,0);
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rect(270,5,50,50);
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fill(0);
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rect(320,5,50,50);
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fill(255);
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rect(370,5,50,50);
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if (mouseIsPressed === true) {
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if(mouseY <= 50){
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//not on whiteboard
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switch(true){
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case (mouseX > 120 && mouseX < 170):
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stroke(255,0,0)
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break;
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case (mouseX > 170 && mouseX < 220):
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stroke(0,255,0)
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break;
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case (mouseX > 220 && mouseX < 270):
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stroke(0,0,255)
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break;
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case (mouseX > 270 && mouseX < 320):
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stroke(255,255,0)
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break;
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case (mouseX > 320 && mouseX < 370):
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stroke(0,0,0)
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break;
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case (mouseX > 370 && mouseX < 420):
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stroke(200)
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break;
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}
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} else {
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//onwhiteboard
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strokeWeight(val);
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line(mouseX, mouseY, pmouseX, pmouseY);
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}
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}
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}
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function clearBoard(){
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background(200);
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}
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