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Color picker improvements

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barsdeveloper
2022-10-16 13:56:38 +02:00
parent 0b19d89416
commit 192f2a4c11
23 changed files with 500 additions and 231 deletions
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38
js/entity/LinearColorEntity.js
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@@ -11,22 +11,27 @@ export default class LinearColorEntity extends IEntity {
A: new RealUnitEntity(1),
}
static fromWheelLocation([x, y], radius) {
static fromWheelLocation([x, y], radius, v, a) {
x -= radius
y -= radius
const [r, theta] = Utility.getPolarCoordinates([x, y])
return LinearColorEntity.fromHSV([-theta, r])
const [r, theta] = Utility.getPolarCoordinates([x, y], true)
return LinearColorEntity.fromHSVA([
1 - theta / (2 * Math.PI),
r / radius,
v,
a,
])
}
/** @param {Number[]} param0 */
static fromHSV([h, s, v, a = 1]) {
static fromHSVA([h, s, v, a = 1]) {
const i = Math.floor(h * 6)
const f = h * 6 - i
const p = v * (1 - s)
const q = v * (1 - f * s)
const t = v * (1 - (1 - f) * s)
const values = [v, q, p, p, t, v]
const [r, g, b] = [values[i % 6], values[(i + 4) % 6], values[(i + 2) % 6]]
const [r, g, b] = [values[i % 6], values[(i + 2) % 6], values[(i + 4) % 6]]
return new LinearColorEntity({
R: r,
G: g,
@@ -44,33 +49,38 @@ export default class LinearColorEntity extends IEntity {
}
toRGBA() {
return [this.R.value * 255, this.G.value * 255, this.B.value * 255, this.A.value * 255]
return [
Math.round(this.R.value * 255),
Math.round(this.G.value * 255),
Math.round(this.B.value * 255),
Math.round(this.A.value * 255),
]
}
toHSV() {
const [r, g, b, a] = this.toRGBA()
toHSVA() {
const [r, g, b, a] = [this.R.value, this.G.value, this.B.value, this.A.value]
const max = Math.max(r, g, b)
const min = Math.min(r, g, b)
const d = max - min
let h
const s = (max == 0 ? 0 : d / max)
const v = max / 255
const v = max
switch (max) {
case min:
h = 0
break
case r:
h = (g - b) + d * (g < b ? 6 : 0)
h = (g - b) / d + (g < b ? 6 : 0)
break
case g:
h = (b - r) + d * 2
h = (b - r) / d + 2
break
case b:
h = (r - g) + d * 4
h = (r - g) / d + 4
break
}
h /= 6 * d
return [h, s, v]
h /= 6
return [new RealUnitEntity(h), new RealUnitEntity(s), new RealUnitEntity(v), new RealUnitEntity(a)]
}
toNumber() {