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/*
* SPDX-FileCopyrightText: syuilo and misskey-project
* SPDX-License-Identifier: AGPL-3.0-only
*/
import seedrandom from 'seedrandom';
import shader from './tearing.glsl';
import type { ImageEffectorUiDefinition } from '../image-effector/ImageEffector.js';
import { defineImageCompositorFunction } from '@/lib/ImageCompositor.js';
import { i18n } from '@/i18n.js';
export const fn = defineImageCompositorFunction<{
amount: number;
strength: number;
size: number;
channelShift: number;
seed: number;
}>({
shader,
main: ({ gl, program, u, params }) => {
gl.uniform1i(u.amount, params.amount);
gl.uniform1f(u.channelShift, params.channelShift);
const rnd = seedrandom(params.seed.toString());
for (let i = 0; i < params.amount; i++) {
const o = gl.getUniformLocation(program, `u_shiftOrigins[${i.toString()}]`);
gl.uniform1f(o, rnd());
const s = gl.getUniformLocation(program, `u_shiftStrengths[${i.toString()}]`);
gl.uniform1f(s, (1 - (rnd() * 2)) * params.strength);
const h = gl.getUniformLocation(program, `u_shiftHeights[${i.toString()}]`);
gl.uniform1f(h, rnd() * params.size);
}
},
});
export const uiDefinition = {
name: i18n.ts._imageEffector._fxs.glitch + ': ' + i18n.ts._imageEffector._fxs.tearing,
params: {
amount: {
label: i18n.ts._imageEffector._fxProps.amount,
type: 'number',
default: 3,
min: 1,
max: 100,
step: 1,
},
strength: {
label: i18n.ts._imageEffector._fxProps.strength,
type: 'number',
default: 0.05,
min: -1,
max: 1,
step: 0.01,
toViewValue: v => Math.round(v * 100) + '%',
},
size: {
label: i18n.ts._imageEffector._fxProps.size,
type: 'number',
default: 0.2,
min: 0,
max: 1,
step: 0.01,
toViewValue: v => Math.round(v * 100) + '%',
},
channelShift: {
label: i18n.ts._imageEffector._fxProps.glitchChannelShift,
type: 'number',
default: 0.5,
min: 0,
max: 10,
step: 0.01,
toViewValue: v => Math.round(v * 100) + '%',
},
seed: {
label: i18n.ts._imageEffector._fxProps.seed,
type: 'seed',
default: 100,
},
},
} satisfies ImageEffectorUiDefinition<typeof fn>;
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