d8d5ea8b6a
Restore missing required asset/flow packages from the pinned nigig revision; retain upstream script isolation, X11 hover, and widget-core fixes. Validated makepad-widgets data feature with Rust 1.97.1.
37 lines
1.3 KiB
Text
37 lines
1.3 KiB
Text
// BEND — rotate, radially spread, and barrel-warp the frame together: a
|
|
// single lens-like twist rather than a straight rotozoom.
|
|
{
|
|
name: "Bend"
|
|
engine: "screen"
|
|
input0: "test"
|
|
|
|
p0: 0.5 p1: 0.5 p2: 0.5
|
|
dials: [
|
|
{name: "ROTATE", bind: "p0", default: 0.5},
|
|
{name: "SPREAD", bind: "p1", default: 0.5},
|
|
{name: "BARREL", bind: "p2", default: 0.5}
|
|
]
|
|
|
|
stages: [
|
|
{kind: "bloom", threshold: 0.6, strength: 1.05, levels: 2}
|
|
]
|
|
|
|
shader: draw.DrawVjFxScreen {
|
|
fx_color: fn(uv: vec2, content: vec4, cmix: float) -> vec4 {
|
|
let tau = 6.2831853
|
|
let ang = (self.user.x - 0.5) * 1.4 + sin(self.sig.x * tau) * 0.04
|
|
let cs = cos(ang)
|
|
let sn = sin(ang)
|
|
let c = uv - vec2(0.5, 0.5)
|
|
let r0 = vec2(c.x * cs - c.y * sn, c.x * sn + c.y * cs)
|
|
let spread = 0.5 + 1.4 * self.user.y
|
|
let r1 = r0 * spread
|
|
let rad = length(r1)
|
|
let barrel = 1.0 + (0.2 + 1.6 * self.user.z) * 0.4 * rad * rad * (0.4 + self.time_beat.w * 0.6)
|
|
let r2 = r1 * barrel
|
|
let w = r2 + vec2(0.5, 0.5)
|
|
let tex = self.tex0.sample_as_bgra(clamp(w, vec2(0.0, 0.0), vec2(1.0, 1.0)))
|
|
return vec4(tex.xyz, 1.0)
|
|
}
|
|
}
|
|
}
|