51c3bf24b7
# Objective The order of the border edges in `UiVertexOutput` is left, right, top, bottom but in `custom_ui_material` the selectors switch them so left is right and top is bottom. ## Solution Reverse the conditions so that the correct border values are selected.
38 lines
1.4 KiB
WebGPU Shading Language
38 lines
1.4 KiB
WebGPU Shading Language
// Draws a progress bar with properties defined in CustomUiMaterial
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#import bevy_ui::ui_vertex_output::UiVertexOutput
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@group(1) @binding(0) var<uniform> color: vec4<f32>;
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@group(1) @binding(1) var<uniform> slider: f32;
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@group(1) @binding(2) var material_color_texture: texture_2d<f32>;
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@group(1) @binding(3) var material_color_sampler: sampler;
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@group(1) @binding(4) var<uniform> border_color: vec4<f32>;
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@fragment
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fn fragment(in: UiVertexOutput) -> @location(0) vec4<f32> {
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// normalized position relative to the center of the UI node
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let r = in.uv - 0.5;
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// normalized size of the border closest to the current position
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let b = vec2(
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select(in.border_widths.x, in.border_widths.y, 0. < r.x),
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select(in.border_widths.z, in.border_widths.w, 0. < r.y)
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);
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// if the distance to the edge from the current position on any axis
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// is less than the border width on that axis then the position is within
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// the border and we return the border color
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if any(0.5 - b < abs(r)) {
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return border_color;
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}
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// sample the texture at this position if it's to the left of the slider value
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// otherwise return a fully transparent color
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if in.uv.x < slider {
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let output_color = textureSample(material_color_texture, material_color_sampler, in.uv) * color;
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return output_color;
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} else {
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return vec4(0.0);
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}
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}
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