1 files changed, 106 insertions, 0 deletions
diff --git a/shaders/dissolve_mat.tres b/shaders/dissolve_mat.tres
new file mode 100644
index 0000000..2e67a66
--- /dev/null
+++ b/shaders/dissolve_mat.tres
@@ -0,0 +1,106 @@
+[gd_resource type="ShaderMaterial" load_steps=6 format=2]
+
+[sub_resource type="Shader" id=1]
+code = "shader_type spatial;
+render_mode cull_disabled;
+
+uniform sampler2D texture;
+uniform sampler2D blendTexture;
+uniform sampler2D noiseTexture;
+
+uniform float offset = 0.;
+uniform bool up = true;
+uniform vec4 borderColor: hint_color = vec4(1., 1., 0., 1.);
+uniform float borderHeight = 0.1;
+uniform float waveAmplitude = 1.;
+uniform float waveFrequency = 1.;
+uniform float wavePhase = 0.1;
+uniform float emissionIntensity = 1.;
+uniform float noiseSpeed = .01;
+uniform float noiseInfluence = 1.;
+
+uniform vec2 blendUVScale = vec2(1.);
+uniform vec2 noiseUVScale = vec2(1.);
+uniform vec2 textureUVScale = vec2(1.);
+
+const float tao = 2. * 3.14;
+
+// https://github.com/godotengine/godot/issues/19800
+uniform mat4 global_transform;
+
+varying vec3 world_pos;
+
+void vertex(){
+    world_pos = (global_transform * vec4(VERTEX, 1.0)).xyz;
+}
+
+void fragment() {
+	vec3 position = world_pos;
+	vec4 text = texture(texture, UV);
+	vec4 blend = texture(blendTexture, UV * blendUVScale);
+
+	vec2 st = UV;
+	st.y -= TIME * noiseSpeed;
+	vec4 noise = texture(noiseTexture, st * noiseUVScale);
+
+	float x = tao * position.x;
+	float waveFrequency1 = waveFrequency;
+	float waveFrequency2 = waveFrequency + 2. - wavePhase;
+	float waveFrequency3 = waveFrequency + 3. - wavePhase;
+	
+	position.y += waveAmplitude * (sin(x / waveFrequency1) + sin(x / waveFrequency2) + sin(x / waveFrequency3));
+	position.y += (noise.r * noiseInfluence);
+
+	float direction = up ? 1. : -1.;
+	float upperBorder = smoothstep(offset, offset, (position.y * direction) + 1.);
+	float bottomBorder = smoothstep(offset, offset, (position.y * direction) - borderHeight + 1.);
+	float borderPart = upperBorder - bottomBorder;
+
+	vec4 color = mix(blend, borderColor, upperBorder);
+	color = mix(color, text, bottomBorder);
+	
+	ALBEDO = color.rgb;
+
+	if (!FRONT_FACING) {
+		ALBEDO = borderColor.rgb;
+		NORMAL = VIEW;
+	}
+
+	ALPHA = color.a;
+	ALPHA_SCISSOR = 1.0;
+	EMISSION = vec3(borderPart) * borderColor.rgb * emissionIntensity;
+}
+"
+
+[sub_resource type="Gradient" id=2]
+offsets = PoolRealArray( 0, 0.996575, 1 )
+colors = PoolColorArray( 1, 1, 1, 1, 0, 0, 0, 0, 1, 1, 1, 0 )
+
+[sub_resource type="GradientTexture" id=3]
+gradient = SubResource( 2 )
+
+[sub_resource type="OpenSimplexNoise" id=5]
+
+[sub_resource type="NoiseTexture" id=4]
+seamless = true
+noise = SubResource( 5 )
+
+[resource]
+resource_local_to_scene = true
+shader = SubResource( 1 )
+shader_param/offset = 0.147
+shader_param/up = true
+shader_param/borderColor = Color( 1, 1, 1, 0 )
+shader_param/borderHeight = 0.0
+shader_param/waveAmplitude = 1.0
+shader_param/waveFrequency = 1.0
+shader_param/wavePhase = 0.1
+shader_param/emissionIntensity = 1.0
+shader_param/noiseSpeed = 0.0
+shader_param/noiseInfluence = 1.0
+shader_param/blendUVScale = Vector2( 1, 1 )
+shader_param/noiseUVScale = Vector2( 1, 1 )
+shader_param/textureUVScale = Vector2( 1, 1 )
+shader_param/global_transform = null
+shader_param/blendTexture = SubResource( 3 )
+shader_param/noiseTexture = SubResource( 4 )