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scanlines, sounds, bumper walls, score keep, control legend, timer

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This commit is contained in:
Richard Aasa
2026-05-29 16:37:26 +03:00
parent 2e2b70e030
commit 33ec51625c
10 changed files with 274 additions and 134 deletions
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ps1_filter.gdshader
+15
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@@ -4,6 +4,9 @@ uniform sampler2D SCREEN_TEXTURE : hint_screen_texture, filter_nearest;
uniform float pixel_scale : hint_range(1.0, 8.0, 1.0) = 4.0;
uniform float color_depth : hint_range(2.0, 8.0, 1.0) = 5.0;
uniform float dither_strength : hint_range(0.0, 2.0, 0.05) = 0.8;
uniform float scanline_strength : hint_range(0.0, 1.0, 0.05) = 0.2;
uniform float roll_speed : hint_range(0.0, 10.0, 0.1) = 3.0;
uniform float roll_strength : hint_range(0.0, 1.0, 0.05) = 1.0;
float bayer4(ivec2 p) {
int x = p.x & 3;
@@ -28,5 +31,17 @@ void fragment() {
float levels = exp2(color_depth) - 1.0;
col = clamp(floor(col * levels + t + 0.5) / levels, 0.0, 1.0);
if (scanline_strength > 0.0) {
// Rolling gradient mask scrolling top-to-bottom
float screen_y = FRAGCOORD.y * SCREEN_PIXEL_SIZE.y;
float roll_mask = sin(screen_y * TAU - TIME * roll_speed) * 0.5 + 0.5;
// Scanlines modulated by the roll: strong at peak, faint at trough
float effective_strength = scanline_strength * mix(1.0 - roll_strength, 1.0, roll_mask);
float row_frac = fract(FRAGCOORD.y / pixel_scale);
float scan = smoothstep(0.0, 0.3, row_frac) * (1.0 - smoothstep(0.7, 1.0, row_frac));
col *= 1.0 - effective_strength * (1.0 - scan);
}
COLOR = vec4(col, 1.0);
}