@threlte/extras/dist/components/Stars/fragment.js

Utilities, abstractions and plugins for your Threlte apps

import { ShaderChunk } from 'three';
export const fragmentShader = `
uniform sampler2D pointTexture;
uniform float fade;
uniform float opacity;
uniform float rounded;

varying vec3 vColor;
void main() {
	float d = distance(gl_PointCoord, vec2(0.5, 0.5));
	float pointOpacity = 1.0;
	if (fade == 1.0) {
		pointOpacity = 1.0 / (1.0 + exp(16.0 * (d - 0.25)));
	}
	if (rounded == 1.0) {
		pointOpacity *= 1.0 - smoothstep(0.3, 0.5, d);
	}
	gl_FragColor = vec4(vColor, pointOpacity * opacity);

	${ShaderChunk.tonemapping_fragment}
	${ShaderChunk.colorspace_fragment}
}`;