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357 | import './style.css'
import * as THREE from 'three/webgpu'
import {
positionLocal,
Fn,
uniform,
abs,
length,
smoothstep,
vec4,
vec3,
vec2,
sin,
time,
mx_noise_float,
mix,
min,
max,
If,
atan,
Loop,
float,
} from 'three/tsl'
import { OrbitControls } from 'three/addons/controls/OrbitControls.js'
import JEASINGS from 'jeasings'
const scene = new THREE.Scene()
const camera = new THREE.PerspectiveCamera(
75,
window.innerWidth / window.innerHeight,
0.1,
2
)
camera.position.z = 1
const renderer = new THREE.WebGPURenderer({ antialias: true })
renderer.setSize(window.innerWidth, window.innerHeight)
document.body.appendChild(renderer.domElement)
renderer.setAnimationLoop(animate)
window.addEventListener('resize', function () {
camera.aspect = window.innerWidth / window.innerHeight
camera.updateProjectionMatrix()
renderer.setSize(window.innerWidth, window.innerHeight)
})
const controls = new OrbitControls(camera, renderer.domElement)
controls.enableDamping = true
controls.minAzimuthAngle = -Math.PI / 8
controls.maxAzimuthAngle = Math.PI / 4
const wheelOffset = uniform(new THREE.Vector2(-10, 0))
const bulletOffset = uniform(20)
const shellOffset = uniform(25)
// @ts-ignore
const groundLayer = Fn(([position]) => {
//return position.y
//return position.y.sub(sin(position.x))
return position.y.sub(mx_noise_float(position.x))
})
// @ts-ignore
const sunRays = Fn(([position]) => {
const angle = atan(position.y, position.x)
const frequency = 20.0
const amplitude = 0.5
const rays = sin(angle.mul(frequency).add(time))
.mul(amplitude)
.add(sin(time.mul(2)))
return length(position).sub(0.5).add(rays)
})
// @ts-ignore
const Sphere = Fn(([position, offset, radius]) => {
const distance = length(position.sub(offset)).sub(radius)
return distance
})
// @ts-ignore
const Ellipse = Fn(([position, radius, scale]) => {
const scaledPosition = position.mul(scale)
return length(scaledPosition).sub(radius)
})
// @ts-ignore
const Box = Fn(([position, dimensions]) => {
const distance = abs(position).sub(dimensions)
return length(max(distance, 0.0)).add(min(max(distance.x, distance.y), 0.0))
})
// @ts-ignore
const Sky = Fn(([position]) => {
const topColor = vec3(0.1, 0.2, 0.5)
const midColor = vec3(1.0, 0.4, 0.2)
const bottomColor = vec3(0.9, 0.6, 0.3)
//return mix(bottomColor, midColor, position.y.div(5))
return mix(
mix(bottomColor, midColor, position.y.div(10)),
topColor,
position.y.div(5)
)
})
// @ts-ignore
const Tank = Fn(([position, offset]) => {
const a = Ellipse(position.sub(offset), 5, vec2(1, 2))
const b = Box(position.sub(offset).sub(vec2(0, -1.5)), vec2(4.5, 1))
const c = Box(position.sub(offset).sub(vec2(0, 2.5)), vec2(2, 1)) // canopy
const d = Box(position.sub(offset).sub(vec2(2, 2.7)), vec2(4, 0.2)) // turret
const e = Box(position.sub(offset).sub(vec2(-3.5, 2.8)), vec2(0.1, 2)) // gun
const f = Box(position.sub(offset).sub(vec2(0.5, 2.8)), vec2(1, 0.5)) // window
const sdf = max(a, b.negate())
sdf.assign(min(sdf, c))
sdf.assign(min(sdf, d))
sdf.assign(min(sdf, e))
sdf.assign(max(sdf, f.negate()))
return smoothstep(0.01, 0, sdf)
})
// @ts-ignore
const Camouflage = Fn(([position]) => {
const n = mx_noise_float(position)
const colour = vec3(0.4, 0.7, 0.3).toVar() // Light Green
If(n.lessThan(0.2), () => {
colour.assign(vec3(0.1, 0.3, 0.1)) // Dark green
})
If(n.lessThan(-0.3), () => {
colour.assign(vec3(0.2, 0.5, 0.2)) // Medium green
})
return colour
})
const main = Fn(() => {
const p = positionLocal.xy.mul(20)
//const t = float(0) //time.div(5)
const t = time.div(2)
const finalColour = Sky(p).toVar()
finalColour.assign(
mix(
finalColour,
vec3(1, 0.75, 0),
smoothstep(10, 0, sunRays(p.sub(vec2(7, 7))))
)
)
const mountains = groundLayer(p.add(vec2(t, -1)).div(vec2(10, 10)))
finalColour.assign(
mix(finalColour, vec3(0.1, 0.1, 0.1), smoothstep(0.01, 0.0, mountains))
)
const hills = groundLayer(p.add(vec2(t.mul(2), 0)).div(vec2(5, 5)))
finalColour.assign(
mix(finalColour, vec3(0.2, 0.2, 0.1), smoothstep(0.01, 0.0, hills))
)
const mounds = groundLayer(p.add(vec2(t.mul(4), 3)).div(vec2(2.5, 2.5)))
finalColour.assign(
mix(finalColour, vec3(0.3, 0.3, 0.1), smoothstep(0.01, 0.0, mounds))
)
const bumps = groundLayer(p.add(vec2(t.mul(8), 6)).div(vec2(4, 1)))
finalColour.assign(
mix(finalColour, vec3(0.4, 0.4, 0.1), smoothstep(0.01, 0.0, bumps))
)
const foreground = groundLayer(p.add(vec2(t.mul(16), 8.5)).div(vec2(5, 1)))
finalColour.assign(
mix(finalColour, vec3(0.5, 0.4, 0.1), smoothstep(0.01, 0.0, foreground))
)
//let offset = float(-10).toVar()
let offset = wheelOffset.x.toVar()
Loop({ start: 0, end: 4, condition: '<' }, () => {
const wheel = Sphere(
p,
vec2(
offset,
mx_noise_float(t.mul(2).add(offset.div(4)))
.sub(5)
.add(wheelOffset.y)
),
1
)
finalColour.assign(
mix(finalColour, vec3(0.025, 0.025, 0.025), smoothstep(0.01, 0, wheel))
)
offset.addAssign(2.25)
})
offset.subAssign(5.6)
const bullet = Sphere(
p,
vec2(
offset.sub(3.5),
mx_noise_float(t.mul(2).add(offset.div(4))).add(bulletOffset)
),
0.1
)
finalColour.assign(
mix(finalColour, vec3(0.5, 0, 0), smoothstep(0.01, 0, bullet))
)
const shell = Sphere(
p,
vec2(
offset.add(5).add(shellOffset),
mx_noise_float(t.mul(2).add(offset.div(4))).sub(1.6)
),
0.2
)
finalColour.assign(
mix(finalColour, vec3(0.5, 0, 0), smoothstep(0.01, 0, shell))
)
const tank = Tank(
p,
vec2(
offset,
mx_noise_float(t.mul(2).add(offset.div(4)))
.sub(4.3)
.add(wheelOffset.y)
)
)
finalColour.assign(
mix(
finalColour,
Camouflage(
p.sub(
vec2(
offset,
mx_noise_float(t.mul(2).add(offset.div(4))).add(wheelOffset.y)
)
)
),
tank
)
)
return vec4(finalColour, 1)
})
// const material = new THREE.NodeMaterial()
// material.fragmentNode = main()
// const mesh = new THREE.Mesh(new THREE.PlaneGeometry(2, 2), material)
// scene.add(mesh)
scene.backgroundNode = main()
let canJump = true
const jump = () => {
canJump = false
// Going up
new JEASINGS.JEasing(wheelOffset.value)
.to(
{
y: 5,
},
250
)
.easing(JEASINGS.Cubic.Out)
.start()
.onComplete(() => {
// Going down
new JEASINGS.JEasing(wheelOffset.value)
.to(
{
y: 0,
},
250
)
.easing(JEASINGS.Bounce.Out)
.start()
.onComplete(() => {
canJump = true
})
})
}
let canShoot = true
const shoot = () => {
canShoot = false
bulletOffset.value = 0
new JEASINGS.JEasing(bulletOffset)
.to(
{
value: 20,
},
500
)
.start()
.onComplete(() => {
canShoot = true
})
shellOffset.value = 0
new JEASINGS.JEasing(shellOffset)
.to(
{
value: 25,
},
500
)
.start()
}
const keyMap: { [key: string]: boolean } = {}
const onDocumentKey = (e: KeyboardEvent) => {
keyMap[e.code] = e.type === 'keydown'
return false
}
document.addEventListener('keydown', onDocumentKey)
document.addEventListener('keyup', onDocumentKey)
const clock = new THREE.Clock()
let delta
function animate() {
delta = clock.getDelta()
controls.update()
JEASINGS.update()
if (keyMap['KeyW'] || keyMap['ArrowUp']) {
// jump
canJump && jump()
}
if (keyMap['KeyA'] || keyMap['ArrowLeft']) {
// move backwards
wheelOffset.value.x -= 4 * delta
}
if (keyMap['KeyD'] || keyMap['ArrowRight']) {
// move forwards
//console.log(wheelOffset.value)
wheelOffset.value.x += 4 * delta
}
if (keyMap['Space']) {
canShoot && shoot()
}
renderer.render(scene, camera)
}
|
