Support Solid.js

Code Example

TSL (TypeScript Shading Language)
WebGL
WebGPU

ライブエディター

function Canvas() {
        const height = uniform(float(), 'height')
        const radius = uniform(float(), 'radius')
        const color1 = uniform(vec3(), 'color1')
        const color2 = uniform(vec3(), 'color2')
        const eye = uniform(vec3(), 'eye')
        const zoom = uniform(float(), 'zoom')
        const repeat = uniform(float(), 'repeat')

        const scale = Fn(([x, y, z]) => {
                return mat3(float(1).div(x), 0, 0, 0, float(1).div(y), 0, 0, 0, float(1).div(z))
        })

        const repetition = Fn(([p, x]) => {
                If(repeat.notEqual(0), () => {
                        p.assign(p.mod(x.mul(repeat)).sub(x.mul(repeat).mul(0.5)))
                })
        })

        const cylinderSDF = Fn(([position, h, r, sign]) => {
                const p = position.toVar()
                p.y.assign(p.y.sub(sign.mul(height)))
                const dSphere = p.xy.length().sub(r)
                const dPlane = sign.mul(dot(p.xy, vec2(-1, 1.64).normalize()))
                const dx = max(dSphere, dPlane)
                const dy = abs(p.z).sub(h)
                return min(max(dx, dy), 0).add(vec2(max(dx, 0), max(dy, 0)).length())
        })

        const SDF = Fn(([position]) => {
                const p = position.toVar()
                repetition(p, vec3(radius))
                p.assign(scale(1.83, 1, 1).mul(p))
                p.z.assign(p.z.add(2.6))
                const d1 = cylinderSDF(p.add(vec3(0, 0, 17)), height, radius, -1)
                const d2 = cylinderSDF(p.add(vec3(0, 0, -17)), height, radius, 1)
                return min(d1, d2)
        })

        const frag = Fn(([position]) => {
                const look = vec3(0).sub(eye).normalize()
                const scr = position.xy.sub(iResolution.mul(0.5))
                const dir = vec3(scr.x, scr.y, 0).div(zoom)
                const p = eye.add(dir).toVar()
                const e = vec3(0.0005, 0, 0)
                const d = SDF(p).toVar()
                Loop(int(100), ({ i }) => {
                        If(d.lessThanEqual(e.x), () => {
                                const dx = SDF(p.add(e.xyy)).sub(d)
                                const dy = SDF(p.add(e.yxy)).sub(d)
                                const dz = SDF(p.add(e.yyx)).sub(d)
                                const norm = vec3(dx, dy, dz).normalize()
                                const lighting = dot(norm, vec3(0, 1, 0)).add(0.5)
                                const color = select(color1, color2, p.z.lessThan(0))
                                return vec4(lighting.mul(color), 1)
                        })
                        p.assign(p.add(d.mul(look)))
                        d.assign(SDF(p))
                })
                return vec4(0, 0, 0, 1)
        })

        const gl = useGL({
                frag: frag(position),
                width: 256,
                height: 256,
                isWebGL: true,
        })

        gl.uniform(
                useControls({
                        height: { min: 0, value: 9.2, max: 18.4 },
                        radius: { min: 0, value: 14.5, max: 29 },
                        color1: [53 / 255, 97 / 255, 159 / 255],
                        color2: [74 / 255, 128 / 255, 191 / 255],
                        eye: [25, 44, 50],
                        zoom: { min: 0, value: 2.5, max: 5 },
                        repeat: { min: 0, value: 0, max: 50 },
                })
        )

        return <canvas ref={gl.ref} />
}

結果

ライブエディター

function Canvas() {
        const gl = useGL({
                frag: `
                #version 300 es
                precision highp float;
                uniform vec2 iResolution;
                uniform float height;
                uniform float radius;
                uniform vec3 color1;
                uniform vec3 color2;
                uniform vec3 eye;
                uniform float zoom;
                uniform float repeat;
                out vec4 fragColor;
                const float PI = 3.141592;
                const float focal = 500.0;
                const vec3 focus = vec3(0.0);
                const vec3 up = vec3(0.0, 1.0, 0.0);
                const float solidGap = 34.0;
                const float solidNorm = 1.64;
                const float solidScale = 1.83;
                const float solidPosZ = 2.6;
                mat3 scale(float x, float y, float z) {
                        return mat3(
                                1.0 / x, 0.0, 0.0,
                                0.0, 1.0 / y, 0.0,
                                0.0, 0.0, 1.0 / z
                        );
                }
                void repetition(inout vec3 p, vec3 x) {
                        if (repeat != 0.0) {
                                p = mod(p, x * repeat) - x * repeat * 0.5;
                        }
                }
                float cylinderSDF(vec3 p, float h, float r, float sign) {
                        p.y = p.y - sign * height;
                        float dShpere = length(p.xy) - r;
                        float dPlane = sign * dot(p.xy, normalize(vec2(-1.0, solidNorm)));
                        float dx = max(dShpere, dPlane);
                        float dy = abs(p.z) - h;
                        return min(max(dx, dy), 0.0) + length(vec2(max(dx, 0.0), max(dy, 0.0)));
                }
                float SDF(vec3 p) {
                        repetition(p, vec3(radius));
                        p = scale(solidScale, 1.0, 1.0) * p;
                        p.z = p.z + solidPosZ;
                        float d1 = cylinderSDF(p + vec3(0.0, 0.0, solidGap * 0.5), height, radius, -1.0);
                        float d2 = cylinderSDF(p + vec3(0.0, 0.0, -solidGap * 0.5), height, radius, 1.0);
                        return min(d1, d2);
                }
                void main() {
                        vec3 look = normalize(focus - eye);
                        vec3 right = normalize(cross(look, up));
                        vec2 scr = gl_FragCoord.xy - iResolution * 0.5;
                        vec3 dir = vec3(scr.x, scr.y, 0.0) / zoom;
                        vec3 p = eye + dir;
                        vec3 e = vec3(0.0005, 0.0, 0.0);
                        float d = SDF(p);
                        for (int i = 0; i < 100; i++) {
                                if (d <= e.x) {
                                        float dx = SDF(p + e.xyy) - d;
                                        float dy = SDF(p + e.yxy) - d;
                                        float dz = SDF(p + e.yyx) - d;
                                        vec3 norm = normalize(vec3(dx, dy, dz));
                                        float lighting = dot(norm, vec3(0.0, 1.0, 0.0)) + 0.5;
                                        vec3 color = p.z < 0.0 ? color2 : color1;
                                        fragColor = vec4(lighting * color, 1.0);
                                        return;
                                }
                                p = p + d * look;
                                d = SDF(p);
                        }
                }
                `,
                width: 256,
                height: 256,
                isWebGL: true,
        })
        gl.uniform(
                useControls({
                        height: { min: 0, value: 9.2, max: 18.4 },
                        radius: { min: 0, value: 14.5, max: 29 },
                        color1: [53 / 255, 97 / 255, 159 / 255],
                        color2: [74 / 255, 128 / 255, 191 / 255],
                        eye: [25, 44, 50],
                        zoom: { min: 0, value: 2.5, max: 5 },
                        repeat: { min: 0, value: 0, max: 50 },
                })
        )
        return <canvas ref={gl.ref} />
}

結果

ライブエディター

function Canvas() {
        const gl = useGL({
                frag: `
                @group(0) @binding(0) var<uniform> iResolution: vec2<f32>;
                @group(0) @binding(3) var<uniform> height: f32;
                @group(0) @binding(4) var<uniform> radius: f32;
                @group(0) @binding(5) var<uniform> color1: vec3<f32>;
                @group(0) @binding(6) var<uniform> color2: vec3<f32>;
                @group(0) @binding(7) var<uniform> eye: vec3<f32>;
                @group(0) @binding(8) var<uniform> zoom: f32;
                @group(0) @binding(9) var<uniform> repeat: f32;
                const PI: f32 = 3.141592;
                const focal: f32 = 500.0;
                const focus: vec3<f32> = vec3f(0.0);
                const up: vec3<f32> = vec3f(0.0, 1.0, 0.0);
                const solidGap: f32 = 34.0;
                const solidNorm: f32 = 1.64;
                const solidScale: f32 = 1.83;
                const solidPosZ: f32 = 2.6;
                fn scale(x: f32, y: f32, z: f32) -> mat3x3<f32> {
                        return mat3x3<f32>(
                                1.0 / x, 0.0, 0.0,
                                0.0, 1.0 / y, 0.0,
                                0.0, 0.0, 1.0 / z
                        );
                }
                fn repetition(p: ptr<function, vec3<f32>>, x: vec3<f32>) {
                        if (repeat != 0.0) {
                                *p = (*p % (x * repeat)) - x * repeat * 0.5;
                        }
                }
                fn cylinderSDF(p_input: vec3<f32>, h: f32, r: f32, sign: f32) -> f32 {
                        var p = p_input;
                        p.y = p.y - sign * height;
                        let dShpere = length(p.xy) - r;
                        let dPlane = sign * dot(p.xy, normalize(vec2<f32>(-1.0, solidNorm)));
                        let dx = max(dShpere, dPlane);
                        let dy = abs(p.z) - h;
                        return min(max(dx, dy), 0.0) + length(vec2<f32>(max(dx, 0.0), max(dy, 0.0)));
                }
                fn SDF(p_input: vec3<f32>) -> f32 {
                        var p = p_input;
                        repetition(&p, vec3<f32>(radius));
                        p = scale(solidScale, 1.0, 1.0) * p;
                        p.z = p.z + solidPosZ;
                        let d1 = cylinderSDF(p + vec3<f32>(0.0, 0.0, solidGap * 0.5), height, radius, -1.0);
                        let d2 = cylinderSDF(p + vec3<f32>(0.0, 0.0, -solidGap * 0.5), height, radius, 1.0);
                        return min(d1, d2);
                }
                @fragment
                fn main(@builtin(position) fragCoord: vec4<f32>) -> @location(0) vec4<f32> {
                        let look = normalize(focus - eye);
                        let right = normalize(cross(look, up));
                        let scr = fragCoord.xy - iResolution * 0.5;
                        let dir = vec3<f32>(scr.x, scr.y, 0.0) / zoom;
                        var p = eye + dir;
                        let e = vec3<f32>(0.0005, 0.0, 0.0);
                        var d = SDF(p);
                        for (var i: i32 = 0; i < 100; i++) {
                                if (d <= e.x) {
                                        let dx = SDF(p + e.xyy) - d;
                                        let dy = SDF(p + e.yxy) - d;
                                        let dz = SDF(p + e.yyx) - d;
                                        let norm = normalize(vec3<f32>(dx, dy, dz));
                                        let lighting = dot(norm, vec3<f32>(0.0, 1.0, 0.0)) + 0.5;
                                        let color = select(color1, color2, p.z < 0.0);
                                        return vec4<f32>(lighting * color, 1.0);
                                }
                                p = p + d * look;
                                d = SDF(p);
                        }
                        return vec4<f32>(0.0, 0.0, 0.0, 1.0);
                }
                `,
                width: 256,
                height: 256,
                isWebGL: false,
        })
        gl.uniform(
                useControls({
                        height: { min: 0, value: 9.2, max: 18.4 },
                        radius: { min: 0, value: 14.5, max: 29 },
                        color1: [53 / 255, 97 / 255, 159 / 255],
                        color2: [74 / 255, 128 / 255, 191 / 255],
                        eye: [25, 44, 50],
                        zoom: { min: 0, value: 2.5, max: 5 },
                        repeat: { min: 0, value: 0, max: 50 },
                })
        )
        return <canvas ref={gl.ref} />
}

結果

Code Example​

Code Example