diff options
| -rw-r--r-- | shaders/rounded_rectangle.glsl | 4 | ||||
| -rw-r--r-- | shaders/rounded_rectangle_mask.glsl | 2 | ||||
| -rw-r--r-- | shaders/rounded_rectangle_no_shadow.glsl | 2 |
3 files changed, 4 insertions, 4 deletions
diff --git a/shaders/rounded_rectangle.glsl b/shaders/rounded_rectangle.glsl index 7c797f2..ec3a5c1 100644 --- a/shaders/rounded_rectangle.glsl +++ b/shaders/rounded_rectangle.glsl @@ -15,11 +15,11 @@ void main() { vec2 size = (resolution - shadow_offset * 2.0) * 0.5; float rect_dist = rounded_rect(uv - center, size, radius); - float a = 1.0 - smoothstep(0.0, 2.0, rect_dist); + float a = clamp(1.0 - smoothstep(0.0, 2.0, rect_dist), 0.0, 1.0); // same as: if(uv.x >= band_pos.x && uv.x <= band_pos.x + band_size.x && uv.y >= band_pos.y && uv.y <= band_pos.y + band_size.y) vec2 band_blend = step(band_pos, uv) - step(band_pos + band_size, uv); vec4 front_color = mix(gl_Color, band_color, band_blend.x*band_blend.y); - float shadow_a = 1.0 - smoothstep(0.0, shadow_offset.x, rect_dist); + float shadow_a = clamp(1.0 - smoothstep(0.0, shadow_offset.x, rect_dist), 0.0, 1.0); front_color.a *= a; gl_FragColor = mix(front_color, vec4(0.0, 0.0, 0.0, 0.14), clamp(shadow_a - a, 0.0, 1.0)); }
\ No newline at end of file diff --git a/shaders/rounded_rectangle_mask.glsl b/shaders/rounded_rectangle_mask.glsl index 8cbe0fc..2ee2888 100644 --- a/shaders/rounded_rectangle_mask.glsl +++ b/shaders/rounded_rectangle_mask.glsl @@ -12,7 +12,7 @@ void main() { vec2 size = resolution * 0.5; vec4 texture_color = texture2D(texture, gl_TexCoord[0].xy); - float a = 1.0 - smoothstep(0.0, 2.0, rounded_rect(uv - center, size, radius)); + float a = clamp(1.0 - smoothstep(0.0, 2.0, rounded_rect(uv - center, size, radius)), 0.0, 1.0); texture_color.a *= a; gl_FragColor = texture_color; }
\ No newline at end of file diff --git a/shaders/rounded_rectangle_no_shadow.glsl b/shaders/rounded_rectangle_no_shadow.glsl index 4fc32cf..e5915da 100644 --- a/shaders/rounded_rectangle_no_shadow.glsl +++ b/shaders/rounded_rectangle_no_shadow.glsl @@ -15,7 +15,7 @@ void main() { vec2 size = (resolution - shadow_offset * 2.0) * 0.5; float rect_dist = rounded_rect(uv - center, size, radius); - float a = 1.0 - smoothstep(0.0, 2.0, rect_dist); + float a = clamp(1.0 - smoothstep(0.0, 2.0, rect_dist), 0.0, 1.0); // same as: if(uv.x >= band_pos.x && uv.x <= band_pos.x + band_size.x && uv.y >= band_pos.y && uv.y <= band_pos.y + band_size.y) vec2 band_blend = step(band_pos, uv) - step(band_pos + band_size, uv); vec4 front_color = mix(gl_Color, band_color, band_blend.x*band_blend.y); |