39 lines
1.3 KiB
GLSL
Executable File
39 lines
1.3 KiB
GLSL
Executable File
//SHADER ORIGINALY CREADED BY "marmitoTH" FROM GITHUB
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//
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//GITHUB LINK : https://github.com/marmitoTH/godot-psx-shaders
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shader_type spatial;
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render_mode skip_vertex_transform, diffuse_lambert_wrap, specular_disabled, cull_disabled, unshaded, depth_draw_alpha_prepass;
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uniform vec4 color : hint_color;
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uniform sampler2D albedoTex : hint_albedo;
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uniform float specular_intensity : hint_range(0, 1);
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uniform float resolution = 256;
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uniform float cull_distance = 5;
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uniform float affine_texture_mapping_amount : hint_range(0,2);
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uniform vec2 uv_scale = vec2(1.0, 1.0);
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uniform vec2 uv_offset = vec2(.0, .0);
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varying vec4 vertex_coordinates;
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void vertex() {
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UV = UV * uv_scale + uv_offset;
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float vertex_distance = length((MODELVIEW_MATRIX * vec4(VERTEX, 1.0)));
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VERTEX = (MODELVIEW_MATRIX * vec4(VERTEX, 1.0)).xyz;
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float vPos_w = (PROJECTION_MATRIX * vec4(VERTEX, 1.0)).w;
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VERTEX.xy = vPos_w * floor(resolution * VERTEX.xy / vPos_w) / resolution;
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vertex_coordinates = vec4(UV * VERTEX.z, VERTEX.z, .0);
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if (vertex_distance > cull_distance)
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VERTEX = vec3(.0);
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}
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void fragment() {
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vec4 tex = texture(albedoTex, mix(vertex_coordinates.xy /vertex_coordinates.z, UV.xy, affine_texture_mapping_amount));
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ALBEDO = tex.rgb * color.rgb;
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ALPHA = tex.a * color.a;
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SPECULAR = specular_intensity;
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} |