andras/fleeting-garden
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Andras Schmelczer 2026-05-21 20:33:49 +01:00
commit ed5a4379db
76 changed files with 1418 additions and 988 deletions
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4
src/pipelines/eraser/eraser-texture.wgsl
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@ -33,10 +33,12 @@ fn vertex(
let direction = end - start;
let denominator = dot(direction, direction);
var inverseLengthSquared = 0.0;
var normalizedDirection = vec2<f32>(1.0, 0.0);
if denominator > settings.lineDistanceEpsilon {
inverseLengthSquared = 1.0 / denominator;
normalizedDirection = direction * inverseSqrt(denominator);
}
let screenPosition = segment_vertex_position(vertexIndex, start, end, settings.eraserRadius);
let screenPosition = segment_vertex_position(vertexIndex, start, end, normalizedDirection, settings.eraserRadius);
let uv = screenPosition / state.size;
let position = vec2(uv.x * 2.0 - 1.0, 1.0 - uv.y * 2.0);
return VertexOutput(vec4(position, 0.0, 1.0), screenPosition, start, direction, inverseLengthSquared);