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This article mainly introduces the HTML5 how to use Canvas to achieve 3D water body simulation animation related knowledge, the content is detailed and easy to understand, the operation is simple and fast, has a certain reference value, I believe that everyone in this HTML5 how to use Canvas to achieve 3D water body simulation animation article will have a harvest, let's take a look.

JavaScript

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Var canvas, ctx, tim, bai

Canvas = document.getElementsByTagName ('canvas') [0]

Ctx = canvas.getContext ('2d')

Canvas.width = canvas.height = 400

Aaa ()

Function aaa () {

Var a, b, c, s, p, r, x, y, z, x1, y1, max, p2, han, h, pt, hei

Ctx.globalCompositeOperation = "source-over"

Ctx.fillStyle = "rgb (0jin0pj0pl 0)"

Ctx.fillRect (0,0, canvas.width, canvas.height)

Ctx.globalCompositeOperation = "lighter"

Tim = new Date () .getTime () / 10

Ctx.strokeStyle = ctx.fillStyle = "hsla (244, 60%, 60%, 0.3)"

Bai = 0.6 + Math.sin (tim / 471) * 0.2

Hei = 0.9 + Math.sin (tim / 100) * 0.3

Pt = []

For (c = 0; c < 180; C++) {

S = (c + 1) / 180

Han = Math.cos (s * Math.PI / 2)

H = Math.sin (s * Math.PI / 2)

S = 1-s

P = []

Max = (100 * han) | 0

R = 0

For (a = 0; a < max; asides +) {

X = Math.cos (r) * han

Y = Math.sin (r) * han

Z = nami (r, s)

X-= z * s

P.push ([x, y, hei + z * s + h])

R + = Math.PI * 2 / max

}

Pt.push (p)

}

For (c = 0; c < 100; C++) {

S = (c + 1) / 100

P = []

Max = 100s

R = 0

For (a = 0; a < max; asides +) {

X = Math.cos (r) * s

Y = Math.sin (r) * s

Z = nami (r, s)

X-= z * s

P.push ([x, y, hei + z * s])

R + = Math.PI * 2 / max

}

Pt.push (p)

}

For (c = 0; c < pt.length; C++) {

P = pt [c]

P2 = []

For (a = 0; a < p. Resume; averse +) {

X = p [a] [0]

Y = p [a] [1]

Z = p [a] [2]

B = Math.pow (1.5, y / 2)

X1 = x * b * 150 + 200

Y1 = z * b * 200-hei * 200 + 150

P2.push ([x1, y1])

}

Ctx.beginPath ()

For (a = 0; a < p2.roomth; aquidus +) ctx.lineTo (p2 [a] [0], p2 [a] [1])

Ctx.closePath ()

Ctx.stroke ()

}

RequestAnimationFrame (aaa)

}

Function nami (r, s) {

Var a = Math.sin (r * 2-tim / 13 + s * 13) / 20 +

Math.sin (r * 5-tim / 17 + s * 13) / 20 +

Math.sin (r * 7-tim / 19 + s * 13) / 40

Return a * bai

}

This is the end of the article on "how to use Canvas to realize 3D water body simulation animation in HTML5". Thank you for reading! I believe that everyone has a certain understanding of "how to use Canvas to achieve 3D water body simulation animation in HTML5". If you want to learn more, you are welcome to follow the industry information channel.

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