Fix types for derivatives with respect to vector parameter elements

Author: davepagurek

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@davepagurek/glsl-autodiff",
-  "version": "0.0.14",
+  "version": "0.0.15",
   "main": "build/autodiff.js",
   "author": "Dave Pagurek <[email protected]>",
   "license": "MIT",

src/base.ts

@@ -181,8 +181,8 @@ export class Value extends OpLiteral {
 export class Param extends OpLiteral {
   public name: string
 
-  constructor(ad: ADBase, name: string) {
-    super(ad)
+  constructor(ad: ADBase, name: string, ...dependsOn: Op[]) {
+    super(ad, ...dependsOn)
     this.name = name
     this.ad.registerParam(this, name)
   }

src/vecBase.ts

@@ -22,12 +22,12 @@ export class VecElementRef extends Op {
   derivative(param: Param) { return `${this.dependsOn[0].derivRef(param)}.${this.prop}` }
 }
 
-export class VecParamElementRef extends OpLiteral {
+export class VecParamElementRef extends Param {
   public prop: string
   public name: string
 
   constructor(ad: ADBase, prop: string, vec: VecOp) {
-    super(ad, vec)
+    super(ad, `_glslad_r${vec.id}_${prop}`, vec)
     this.prop = prop
     this.name = `_glslad_r${vec.id}_${prop}`
     this.ad.registerParam(this, this.name)