Added elongation node and update documentation

addons/material_maker/engine/gen_texture.gd

@@ -9,7 +9,7 @@ Base class for texture generators that provide a texture as output
 var texture : ImageTexture = ImageTexture.new()
 
 func get_output_defs() -> Array:
-	return [ { rgba="" } ]
+	return [ { rgba="", type="rgba" } ]
 
 func _get_shader_code_lod(uv : String, output_index : int, context : MMGenContext, lod : float = 0.0) -> Dictionary:
 	var genname = "o"+str(get_instance_id())

addons/material_maker/nodes/io_types.mmt

@@ -78,7 +78,7 @@
         "paramdefs":"vec4 p",
         "params":"p",
         "slot_type":3,
-        "color":{ "r":1.0, "g":0.0, "b":0.0, "a":1.0 }
+        "color":{ "r":1.0, "g":0.0, "b":1.0, "a":1.0 }
     },
     {
         "name":"any",

addons/material_maker/nodes/sdf3d_elongation.mmg

@@ -0,0 +1,65 @@
+{
+	"name": "sdf3d_elongation",
+	"node_position": {
+		"x": 0,
+		"y": 0
+	},
+	"parameters": {
+		"x": 0.2,
+		"y": 0,
+		"z": 0
+	},
+	"shader_model": {
+		"code": "",
+		"global": "",
+		"inputs": [
+			{
+				"default": "vec2(0.0)",
+				"label": "",
+				"name": "in",
+				"type": "sdf3dc"
+			}
+		],
+		"instance": "",
+		"name": "Elongation",
+		"outputs": [
+			{
+				"sdf3dc": "$in($uv-clamp($uv, -abs(vec3($x, $y, $z)), abs(vec3($x, $y, $z))))",
+				"type": "sdf3dc"
+			}
+		],
+		"parameters": [
+			{
+				"control": "P1.x",
+				"default": 0,
+				"label": "X",
+				"max": 1,
+				"min": 0,
+				"name": "x",
+				"step": 0.01,
+				"type": "float"
+			},
+			{
+				"control": "P1.y",
+				"default": 0,
+				"label": "Y",
+				"max": 1,
+				"min": 0,
+				"name": "y",
+				"step": 0.01,
+				"type": "float"
+			},
+			{
+				"control": "None",
+				"default": 0,
+				"label": "Z",
+				"max": 1,
+				"min": 0,
+				"name": "z",
+				"step": 0.01,
+				"type": "float"
+			}
+		]
+	},
+	"type": "shader"
+}