first commit

need some help

nodeEditor/src/blockTools.ts

@@ -1,3 +1,4 @@
+import { SimplexPerlin3D } from 'babylonjs/Materials/Node/Blocks/simplexPerlin3D';
 import { DiscardBlock } from 'babylonjs/Materials/Node/Blocks/Fragment/discardBlock';
 import { BonesBlock } from 'babylonjs/Materials/Node/Blocks/Vertex/bonesBlock';
 import { InstancesBlock } from 'babylonjs/Materials/Node/Blocks/Vertex/instancesBlock';
@@ -58,6 +59,8 @@ import { NodeMaterial } from 'babylonjs/Materials/Node/nodeMaterial';
 export class BlockTools {
     public static GetBlockFromString(data: string, scene: Scene, nodeMaterial: NodeMaterial) {
         switch (data) {
+			case "SimplexPerlin3D":
+                return new SimplexPerlin3D("SimplexPerlin3D");
             case "BonesBlock":
                 return new BonesBlock("Bones");
             case "InstancesBlock":

nodeEditor/src/components/nodeList/nodeListComponent.tsx

@@ -33,7 +33,8 @@ export class NodeListComponent extends React.Component<INodeListComponentProps,
             Interpolation: ["LerpBlock", "SmoothStepBlock", "NLerpBlock"],
             Matrices: ["Matrix", "WorldMatrixBlock", "WorldViewMatrixBlock", "WorldViewProjectionMatrixBlock", "ViewMatrixBlock", "ViewProjectionMatrixBlock", "ProjectionMatrixBlock"],
             Mesh_Attributes: ["InstancesBlock", "PositionBlock", "UVBlock", "ColorBlock", "NormalBlock", "TangentBlock", "MatrixIndicesBlock", "MatrixWeightsBlock", "WorldPositionBlock", "WorldNormalBlock", "FrontFacingBlock"], 
-            Output_Blocks: ["VertexOutputBlock", "FragmentOutputBlock", "DiscardBlock"],
+            Noises: ["SimplexPerlin3D"],
+			Output_Blocks: ["VertexOutputBlock", "FragmentOutputBlock", "DiscardBlock"],
             Range: ["ClampBlock", "RemapBlock", "NormalizeBlock"],
             Round: ["StepBlock", "RoundBlock", "CeilingBlock", "FloorBlock"],
             Scene_Attributes: ["FogBlock", "CameraPositionBlock", "FogColorBlock", "ImageProcessingBlock", "LightBlock", "LightInformationBlock", "ViewDirectionBlock", "PerturbNormalBlock"],

nodeEditor/src/graphEditor.tsx

@@ -36,6 +36,7 @@ import { AdvancedLinkFactory } from './components/diagram/link/advancedLinkFacto
 import { RemapNodeFactory } from './components/diagram/remap/remapNodeFactory';
 import { RemapNodeModel } from './components/diagram/remap/remapNodeModel';
 import { RemapBlock } from 'babylonjs/Materials/Node/Blocks/remapBlock';
+import { SimplexPerlin3D } from 'babylonjs/Materials/Node/Blocks/simplexPerlin3D';
 import { GraphHelper } from './graphHelper';
 import { PreviewManager } from './components/preview/previewManager';
 import { INodeLocationInfo } from './nodeLocationInfo';
@@ -134,6 +135,8 @@ export class GraphEditor extends React.Component<IGraphEditorProps> {
             newNode = new LightInformationNodeModel();
         } else if (options.nodeMaterialBlock instanceof GradientBlock) {
             newNode = new GradientNodeModel();
+        } else if (options.nodeMaterialBlock instanceof SimplexPerlin3D) {
+            newNode = new GenericNodeModel();
         } else {
             newNode = new GenericNodeModel();
         }

src/Materials/Node/Blocks/index.ts

@@ -37,4 +37,5 @@ export * from "./replaceColorBlock";
 export * from "./posterizeBlock";
 export * from "./waveBlock";
 export * from "./gradientBlock";
-export * from "./nLerpBlock";
+export * from "./nLerpBlock";
+export * from "./simplexPerlin3D";

src/Materials/Node/Blocks/simplexPerlin3D.ts

@@ -0,0 +1,122 @@
+import { NodeMaterialBlock } from '../nodeMaterialBlock';
+import { NodeMaterialBlockConnectionPointTypes } from '../Enums/nodeMaterialBlockConnectionPointTypes';
+import { NodeMaterialBuildState } from '../nodeMaterialBuildState';
+import { NodeMaterialConnectionPoint } from '../nodeMaterialBlockConnectionPoint';
+import { NodeMaterialBlockTargets } from '../Enums/nodeMaterialBlockTargets';
+import { _TypeStore } from '../../../Misc/typeStore';
+/**
+ * block used to Generate a Simplex Perlin 3d Noise Pattern
+ */
+//
+//  Wombat
+//  An efficient texture-free GLSL procedural noise library
+//  Source: https://github.com/BrianSharpe/Wombat
+//  Derived from: https://github.com/BrianSharpe/GPU-Noise-Lib
+//
+//  I'm not one for copyrights.  Use the code however you wish.
+//  All I ask is that credit be given back to the blog or myself when appropriate.
+//  And also to let me know if you come up with any changes, improvements, thoughts or interesting uses for this stuff. :)
+//  Thanks!
+//
+//  Brian Sharpe
+//  brisharpe CIRCLE_A yahoo DOT com
+//  http://briansharpe.wordpress.com
+//  https://github.com/BrianSharpe
+//
+//
+//  This is a modified version of Stefan Gustavson's and Ian McEwan's work at http://github.com/ashima/webgl-noise
+//  Modifications are...
+//  - faster random number generation
+//  - analytical final normalization
+//  - space scaled can have an approx feature size of 1.0
+//  - filter kernel changed to fix discontinuities at tetrahedron boundaries
+//
+//  Converted to BJS by Pryme8
+//
+//  Simplex Perlin Noise 3D
+//  Return value range of -1.0->1.0
+//
+export class SimplexPerlin3D extends NodeMaterialBlock {
+    /**
+     * Creates a new SimplexPerlin3D
+     * @param name defines the block name
+     */
+    public constructor(name: string) {
+        super(name, NodeMaterialBlockTargets.Neutral);
+
+        this.registerInput("position", NodeMaterialBlockConnectionPointTypes.Vector3);
+        this.registerOutput("output", NodeMaterialBlockConnectionPointTypes.Float);
+    }
+
+    /**
+     * Gets the current class name
+     * @returns the class name
+     */
+    public getClassName() {
+        return "SimplexPerlin3D";
+    }
+
+    /**
+     * Gets the position operand input component
+     */
+    public get position(): NodeMaterialConnectionPoint {
+        return this._inputs[0];
+    }
+
+    /**
+     * Gets the output component
+     */
+    public get output(): NodeMaterialConnectionPoint {
+        return this._outputs[0];
+    }
+
+    protected _buildBlock(state: NodeMaterialBuildState) {
+        super._buildBlock(state);
+
+        let output = this._outputs[0];
+        state.compilationString += `const float SKEWFACTOR = 1.0/3.0;\r\n`;
+        state.compilationString += `const float UNSKEWFACTOR = 1.0/6.0;\r\n`;
+        state.compilationString += `const float SIMPLEX_CORNER_POS = 0.5;\r\n`;
+        state.compilationString += `const float SIMPLEX_TETRAHADRON_HEIGHT = 0.70710678118654752440084436210485\r\n`;
+        state.compilationString += `float SimplexPerlin3D( vec3 P ){\r\n`;
+        state.compilationString += `P *= SIMPLEX_TETRAHADRON_HEIGHT;\r\n`;
+        state.compilationString += `vec3 Pi = floor( P + dot( P, vec3( SKEWFACTOR) ) );`;
+        state.compilationString += `vec3 x0 = P - Pi + dot(Pi, vec3( UNSKEWFACTOR ) );\r\n`;
+        state.compilationString += `vec3 g = step(x0.yzx, x0.xyz);\r\n`;
+        state.compilationString += `vec3 l = 1.0 - g;\r\n`;
+        state.compilationString += `vec3 Pi_1 = min( g.xyz, l.zxy );\r\n`;
+        state.compilationString += `vec3 Pi_2 = max( g.xyz, l.zxy );\r\n`;
+        state.compilationString += `vec3 x1 = x0 - Pi_1 + UNSKEWFACTOR;\r\n`;
+        state.compilationString += `vec3 x2 = x0 - Pi_2 + SKEWFACTOR;\r\n`;
+        state.compilationString += `vec3 x3 = x0 - SIMPLEX_CORNER_POS;\r\n`;
+        state.compilationString += `vec4 v1234_x = vec4( x0.x, x1.x, x2.x, x3.x );\r\n`;
+        state.compilationString += `vec4 v1234_y = vec4( x0.y, x1.y, x2.y, x3.y );\r\n`;
+        state.compilationString += `vec4 v1234_z = vec4( x0.z, x1.z, x2.z, x3.z );\r\n`;
+        state.compilationString += `Pi.xyz = Pi.xyz - floor(Pi.xyz * ( 1.0 / 69.0 )) * 69.0;\r\n`;
+        state.compilationString += `vec3 Pi_inc1 = step( Pi, vec3( 69.0 - 1.5 ) ) * ( Pi + 1.0 );\r\n`;
+        state.compilationString += `vec4 Pt = vec4( Pi.xy, Pi_inc1.xy ) + vec2( 50.0, 161.0 ).xyxy;\r\n`;
+        state.compilationString += `Pt *= Pt;\r\n`;
+        state.compilationString += `vec4 V1xy_V2xy = mix( Pt.xyxy, Pt.zwzw, vec4( Pi_1.xy, Pi_2.xy ) );\r\n`;
+        state.compilationString += `Pt = vec4( Pt.x, V1xy_V2xy.xz, Pt.z ) * vec4( Pt.y, V1xy_V2xy.yw, Pt.w );\r\n`;
+        state.compilationString += `const vec3 SOMELARGEFLOATS = vec3( 635.298681, 682.357502, 668.926525 );\r\n`;
+        state.compilationString += `const vec3 ZINC = vec3( 48.500388, 65.294118, 63.934599 );\r\n`;
+        state.compilationString += `ec3 lowz_mods = vec3( 1.0 / ( SOMELARGEFLOATS.xyz + Pi.zzz * ZINC.xyz ) );\r\n`;
+        state.compilationString += `vec3 highz_mods = vec3( 1.0 / ( SOMELARGEFLOATS.xyz + Pi_inc1.zzz * ZINC.xyz ) );\r\n`;
+        state.compilationString += `Pi_1 = ( Pi_1.z < 0.5 ) ? lowz_mods : highz_mods;\r\n`;
+        state.compilationString += `Pi_2 = ( Pi_2.z < 0.5 ) ? lowz_mods : highz_mods;\r\n`;
+        state.compilationString += `vec4 hash_0 = fract( Pt * vec4( lowz_mods.x, Pi_1.x, Pi_2.x, highz_mods.x ) ) - 0.49999;\r\n`;
+        state.compilationString += `vec4 hash_1 = fract( Pt * vec4( lowz_mods.y, Pi_1.y, Pi_2.y, highz_mods.y ) ) - 0.49999;\r\n`;
+        state.compilationString += `vec4 hash_2 = fract( Pt * vec4( lowz_mods.z, Pi_1.z, Pi_2.z, highz_mods.z ) ) - 0.49999;\r\n`;
+        state.compilationString += `vec4 grad_results = inversesqrt( hash_0 * hash_0 + hash_1 * hash_1 + hash_2 * hash_2 ) * ( hash_0 * v1234_x + hash_1 * v1234_y + hash_2 * v1234_z );\r\n`;
+        state.compilationString += `const float FINAL_NORMALIZATION = 37.837227241611314102871574478976;\r\n`;
+        state.compilationString += `vec4 kernel_weights = v1234_x * v1234_x + v1234_y * v1234_y + v1234_z * v1234_z;\r\n`;
+        state.compilationString += `kernel_weights = max(0.5 - kernel_weights, 0.0);\r\n`;
+        state.compilationString += `kernel_weights = kernel_weights*kernel_weights*kernel_weights;\r\n`;
+        state.compilationString += `return dot( kernel_weights, grad_results ) * FINAL_NORMALIZATION;\r\n`;
+        state.compilationString += `}\r\n`;
+        state.compilationString += this._declareOutput(output, state) + ` = SimplexPerlin3D(${this.position});\r\n`;
+        return this;
+    }
+}
+
+_TypeStore.RegisteredTypes["BABYLON.SimplexPerlin3D"] = SimplexPerlin3D;