new shaders

shaders/016_line/line.gdshader

@@ -0,0 +1,32 @@
+shader_type spatial;
+
+uniform vec2 resolution = vec2(600.0, 400.0);
+uniform vec3 line_color: source_color = vec3(0.2, 0.6, 0.2);
+uniform float line_thickness: hint_range(0.01, 1.0, 0.01) = 0.05;
+uniform float speed = 0.5;
+uniform float amp_coef = 0.1;
+uniform float freq_coef = 0.5;
+uniform float iterations: hint_range(1.0, 20.0, 1.0) = 5.0;
+uniform float brightness: hint_range(0.1, 20.0, 0.1) = 0.5;
+
+vec3 draw_line(vec2 uv, vec3 color, float shift, float freq) {
+	uv.y += (1.0 - smoothstep(0.0, 1.0, abs(uv.x))) * sin(uv.x + shift * freq) * amp_coef * sin(uv.x + shift);
+	return (1.0 - smoothstep(0.0, line_thickness * (smoothstep(-0.2, 0.9, abs(uv.x))), abs(uv.y))) * color;
+}
+
+void fragment() {
+	// Move the center of the uv to the center of the Mesh
+	vec2 uv = UV - 0.5;
+
+	// Apply the aspect ratio
+	uv.x *= resolution.x / resolution.y;
+
+	float shift = TIME * speed;
+
+	vec3 color = vec3(0.0);
+	for (float i = 0.0; i < iterations; i += 1.0) {
+		color += draw_line(uv, line_color, shift + i * 0.4, 1.0 + freq_coef);
+	}
+
+	ALBEDO = color * brightness;
+}

shaders/016_line/line.tscn

@@ -0,0 +1,23 @@
+[gd_scene load_steps=4 format=3 uid="uid://omdbnbi707f8"]
+
+[ext_resource type="Shader" path="res://shaders/016_line/line.gdshader" id="1_wsdq7"]
+
+[sub_resource type="ShaderMaterial" id="ShaderMaterial_jjsaw"]
+render_priority = 0
+shader = ExtResource("1_wsdq7")
+shader_parameter/resolution = Vector2(600, 400)
+shader_parameter/line_color = Color(0.860779, 0.546136, 0.207257, 1)
+shader_parameter/line_thickness = 0.02
+shader_parameter/speed = 0.065
+shader_parameter/amp_coef = 0.26
+shader_parameter/freq_coef = 4.175
+shader_parameter/iterations = 20.0
+shader_parameter/brightness = 1.0
+
+[sub_resource type="QuadMesh" id="QuadMesh_ldsi7"]
+material = SubResource("ShaderMaterial_jjsaw")
+
+[node name="Line" type="Node3D"]
+
+[node name="MeshInstance3D" type="MeshInstance3D" parent="."]
+mesh = SubResource("QuadMesh_ldsi7")