问题描述
我这里有一个简单的2x3矩形网格。我想用特定的颜色分别填充每个矩形。我还很新,我认为这需要一个数组。它应该看起来 something like this image。
var colours =[];
function setup() {
createCanvas(1000,700);
}
function draw() {
background(220);
for (let y = 0; y < 2; y++) {
for (let x = 0; x < 3; x++) {
let xpos = x *200;
let ypos = y *200;
rect(xpos,ypos,200,200);
}
}
}
<script src="https://cdnjs.cloudflare.com/ajax/libs/p5.js/1.0.0/p5.min.js"></script>
解决方法
使用color
定义颜色数组:
let colors = [color(255,0),color(255,255,color(0,255)];
通过fill
设置填充颜色:
fill(colors[x]);
var colours =[];
function setup() {
createCanvas(1000,700);
}
function draw() {
background(220);
let colors = [color(255,255)];
for (let y = 0; y < 2; y++) {
for (let x = 0; x < 3; x++) {
let xpos = x *200;
let ypos = y *200;
fill(colors[x]);
rect(xpos,ypos,200,200);
}
}
}
<script src="https://cdnjs.cloudflare.com/ajax/libs/p5.js/1.0.0/p5.min.js"></script>