initial commit

shaders/ceiling_glow.gdshader

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+shader_type spatial;
+render_mode blend_mix, depth_draw_opaque, cull_back, diffuse_burley, specular_schlick_ggx;
+
+uniform vec4 albedo : source_color = vec4(1.0);
+uniform sampler2D texture_albedo : source_color, filter_nearest_mipmap, repeat_enable;
+
+uniform vec3 glow_color : source_color = vec3(0.2, 0.5, 1.0);
+uniform float glow_strength : hint_range(0.0, 20.0) = 4.0;
+uniform float pulse_speed : hint_range(0.0, 10.0) = 1.5;
+uniform float pulse_amount : hint_range(0.0, 1.0) = 0.25;
+
+uniform float roughness : hint_range(0.0, 1.0) = 1.0;
+uniform float metallic : hint_range(0.0, 1.0) = 0.0;
+uniform float specular : hint_range(0.0, 1.0) = 0.5;
+
+uniform vec3 uv1_scale = vec3(1.0);
+uniform vec3 uv1_offset = vec3(0.0);
+
+void vertex() {
+	UV = UV * uv1_scale.xy + uv1_offset.xy;
+}
+
+void fragment() {
+	vec4 albedo_tex = texture(texture_albedo, UV);
+	ALBEDO = albedo.rgb * albedo_tex.rgb;
+
+	METALLIC = metallic;
+	ROUGHNESS = roughness;
+	SPECULAR = specular;
+
+	float pulse = 1.0 - pulse_amount + pulse_amount * sin(TIME * pulse_speed);
+	EMISSION = ALBEDO * glow_color * glow_strength * pulse;
+}