Bulge

Magnify or pinch content around a center point

Props

center{x: number, y: number}

Default:{"x":0.5,"y":0.5}

The center point of the bulge effect

center

{x: number, y: number}Default: {"x":0.5,"y":0.5}

The center point of the bulge effect

strengthnumber

Default:1

The intensity of the bulge effect (positive = bulge out, negative = pinch in)

strength

numberDefault: 1

The intensity of the bulge effect (positive = bulge out, negative = pinch in)

radiusnumber

Default:1

The radius of the bulge effect area

radius

numberDefault: 1

The radius of the bulge effect area

falloffnumber

Default:0.5

Controls the smoothness of the transition (0 = hard edge, 1 = very smooth)

falloff

numberDefault: 0.5

Controls the smoothness of the transition (0 = hard edge, 1 = very smooth)

edges"stretch" | "transparent" | "mirror" | "wrap"

Default:stretch

How to handle edges when distortion pushes content out of bounds

edges

"stretch" | "transparent" | "mirror" | "wrap"Default: stretch

How to handle edges when distortion pushes content out of bounds

Usage

<Shader>
  <Bulge
    :radius="1"
  >
    <Circle />
  </Bulge>
</Shader>

<Shader>
  <Bulge
    radius={1}
  >
    <Circle />
  </Bulge>
</Shader>

<Shader>
  <Bulge
    radius={1}
  >
    <Circle />
  </Bulge>
</Shader>

<Shader>
  <Bulge
    radius={1}
  >
    <Circle />
  </Bulge>
</Shader>

import { createShader } from 'shaders/js'

const shader = await createShader(canvas, {
  components: [
    { type: 'Bulge', props: { radius: 1 }, children: [
      { type: 'Circle', props: {} }
    ]}
  ]
})

BrightnessContrast

CRTScreen

Documentation

Bulge

Props

Usage