14 lines
347 B
Text
14 lines
347 B
Text
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shader_type canvas_item;
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render_mode blend_disabled;
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uniform sampler2D u_brush_texture;
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uniform float u_factor = 1.0;
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uniform float u_value = 1.0;
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void fragment() {
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float brush_value = texture(u_brush_texture, SCREEN_UV).r;
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vec4 src = texture(TEXTURE, UV);
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COLOR = vec4(src.rgb, mix(src.a, u_value, u_factor * brush_value));
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}
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