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24 lines
587 B
GLSL
24 lines
587 B
GLSL
#version 300 es
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precision mediump float;
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/*
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* SPDX-FileCopyrightText: syuilo and misskey-project
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* SPDX-License-Identifier: AGPL-3.0-only
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*/
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in vec4 v_color;
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in float v_rotation;
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uniform sampler2D u_texture;
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out vec4 out_color;
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void main() {
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vec2 rotated = vec2(
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cos(v_rotation) * (gl_PointCoord.x - 0.5) + sin(v_rotation) * (gl_PointCoord.y - 0.5) + 0.5,
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cos(v_rotation) * (gl_PointCoord.y - 0.5) - sin(v_rotation) * (gl_PointCoord.x - 0.5) + 0.5
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);
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vec4 snowflake = texture(u_texture, rotated);
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out_color = vec4(snowflake.rgb * v_color.xyz, snowflake.a * v_color.a);
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}
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