fix: Give hardcodeConstants a default value, and check integers

Author: robertleeplummerjr

src/backend/kernel.js

@@ -106,7 +106,7 @@ class Kernel {
 		this.constants = null;
 		this.constantTypes = null;
 		this.constantBitRatios = null;
-		this.hardcodeConstants = null;
+		this.hardcodeConstants = false;
 
 		/**
 		 *

src/backend/web-gl/kernel.js

@@ -1473,7 +1473,7 @@ class WebGLKernel extends GLKernel {
 						break;
 					case 'Float':
 					case 'Number':
-						result.push(`float user_${name} = ${value}`);
+						result.push(`float user_${name} = ${ Number.isInteger(value) ? value + '.0' : value }`);
 						break;
 					default:
 						throw new Error(`Param type ${type} not supported in WebGL`);

src/backend/web-gl2/kernel.js

@@ -980,7 +980,7 @@ class WebGL2Kernel extends WebGLKernel {
 						break;
 					case 'Float':
 					case 'Number':
-						result.push(`highp float user_${ name } = ${ value }`);
+						result.push(`highp float user_${ name } = ${ Number.isInteger(value) ? value + '.0' : value }`);
 						break;
 					default:
 						throw new Error(`Param type ${type} not supported in WebGL2`);