63 lines
1.4 KiB
JavaScript
63 lines
1.4 KiB
JavaScript
let position
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let velocity
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let topLeftCorner
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let bottomRightCorner
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function setup() {
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createCanvas(300, 300, WEBGL)
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topLeftCorner = createVector(-100, -100, -100)
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bottomRightCorner = createVector(100, 100, 100)
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position = createVector(0, 0)
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velocity = createVector(
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random(3) - 1,
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random(3) - 1,
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random(3) - 1,
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).mult(0.2)
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}
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function draw() {
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position.add(p5.Vector.mult(velocity, deltaTime))
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if (position.x < topLeftCorner.x || position.x > bottomRightCorner.x) {
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velocity.x *= -1
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}
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if (position.y < topLeftCorner.y || position.y > bottomRightCorner.y) {
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velocity.y *= -1
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}
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if (position.z < topLeftCorner.z || position.z > bottomRightCorner.z) {
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velocity.z *= -1
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}
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background(255)
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noFill()
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orbitControl()
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stroke('red')
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point(topLeftCorner)
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stroke('blue')
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point(bottomRightCorner)
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stroke('black')
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strokeWeight(0.5)
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push()
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translate(p5.Vector.add(topLeftCorner, bottomRightCorner).div(2))
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let boundsWidth = abs(topLeftCorner.x - bottomRightCorner.x)
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let boundsHeight = abs(topLeftCorner.y - bottomRightCorner.y)
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let boundsDepth = abs(topLeftCorner.z - bottomRightCorner.z)
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box(boundsWidth, boundsHeight, boundsDepth)
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pop()
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strokeWeight(2)
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orbitControl()
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push()
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translate(position)
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sphere(5)
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pop()
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}
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