Fix T74625 GPencil: Airbrush doesn't paint anything
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blender-bot
2023-05-22 12:40:41 +02:00
Referenced by issue #74625, [Grease Pencil] Airbrush doesn't paint anything
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@ -442,7 +442,7 @@ void stroke_vertex()
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/* Rotation: Encoded as Cos + Sin sign. */
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float uv_rot = decode_uvrot(uvrot1);
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float rot_sin = sqrt(1.0 - uv_rot * uv_rot) * sign(uv_rot);
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float rot_sin = sqrt(max(0.0, 1.0 - uv_rot * uv_rot)) * sign(uv_rot);
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float rot_cos = abs(uv_rot);
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x_axis = mat2(rot_cos, -rot_sin, rot_sin, rot_cos) * x_axis;
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