66 lines
1.2 KiB
JavaScript
66 lines
1.2 KiB
JavaScript
let charges = new Map();
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let counter = 0;
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function setup() {
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createCanvas(600, 600, WEBGL);
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}
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function draw() {
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orbitControl();
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background(50);
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make_lights();
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draw_sphere(200, 25);
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}
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function draw_sphere(radius, n_axis_circles) {
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stroke(0x3f);
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noFill();
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push();
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rotateX(TAU / 4);
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draw_circles(
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radius,
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n_axis_circles,
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color(0x00, 0x9f, 0xff),
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color(0xff, 0x9f, 0x00),
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);
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pop();
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push();
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rotateY(TAU / 4);
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draw_circles(
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radius,
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n_axis_circles,
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color(0xff, 0x00, 0xff),
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color(0x00, 0xff, 0x00),
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);
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pop();
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}
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function draw_circles(radius, n_circles, pole_1_color, pole_2_color) {
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push();
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stroke(pole_1_color);
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translate(0, 0, -radius);
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point(0, 0);
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pop();
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for (let i = 1; i < n_circles; i += 1) {
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const angle = map(i, 0, n_circles - 1, -TAU / 4, TAU / 4);
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const circle_radius = radius * cos(angle);
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push();
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translate(0, 0, radius * sin(angle));
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circle(0, 0, circle_radius * 2);
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pop();
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}
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push();
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stroke(pole_2_color);
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translate(0, 0, radius);
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point(0, 0);
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pop();
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}
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function make_lights() {
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let light = createVector(0, 1, -1);
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light.normalize();
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directionalLight(0x1f, 0x1f, 0x1f, light);
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ambientLight(0xbf);
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}
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