Added epoch to scripts.

src/game/sandbox/sandboxscene.c

@@ -12,13 +12,16 @@ bool sandboxSceneInit(sandboxscene_t *game) {
   scripterInit(&game->scripter, &game->engine);
   game->scripter.user = game;
 
+  // Add APIs
   scriptsApiIo(&game->scripter);
   scriptsApiDisplay(&game->scripter);
   scriptsApiAsset(&game->scripter);
-  
+  scriptsApiEpoch(&game->scripter);
+
+  // Load main script
   assetScripterAppend(&game->scripter, "scripts/main.js");
 
-
+  // Invoke initialization.
   scripterInvokeMethodSimple(&game->scripter, "init");
 
   return true;

src/script/api/epoch.c

@@ -0,0 +1,32 @@
+/**
+ * Copyright (c) 2021 Dominic Masters
+ * 
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#include "epoch.h"
+
+scripterreturn_t _scripterEpochGetDelta(scriptercontext_t *ctx) {
+  scripter_t *scripter = scripterFromContext(ctx);
+  duk_push_number(ctx, scripter->engine->time.delta);
+  return 1;
+}
+
+scripterreturn_t _scripterEpochGetCurrent(scriptercontext_t *ctx) {
+  scripter_t *scripter = scripterFromContext(ctx);
+  duk_push_number(ctx, scripter->engine->time.current);
+  return 1;
+}
+
+scripterreturn_t _scripterEpochGetLast(scriptercontext_t *ctx) {
+  scripter_t *scripter = scripterFromContext(ctx);
+  duk_push_number(ctx, scripter->engine->time.last);
+  return 1;
+}
+
+void scriptsApiEpoch(scripter_t *scripter) {
+  scripterDefineMethod(scripter, "epochGetDelta", 0, &_scripterEpochGetDelta);
+  scripterDefineMethod(scripter, "epochGetCurrent",0,&_scripterEpochGetCurrent);
+  scripterDefineMethod(scripter, "epochGetLast", 0, &_scripterEpochGetLast);
+}

src/script/api/epoch.d.ts

@@ -0,0 +1,10 @@
+// Copyright (c) 2021 Dominic Masters
+// 
+// This software is released under the MIT License.
+// https://opensource.org/licenses/MIT
+
+declare function epochGetDelta():number;
+
+declare function epochGetCurrent():number;
+
+declare function epochGetLast():number;

src/script/api/epoch.h

@@ -0,0 +1,13 @@
+/**
+ * Copyright (c) 2021 Dominic Masters
+ * 
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#pragma once
+#include "../../libs.h"
+#include "../scripter.h"
+#include "../../engine/engine.h"
+
+void scriptsApiEpoch(scripter_t *scripter);

ts/main.ts

@@ -2,10 +2,13 @@ let cube:Primitive;
 let shader:Shader;
 let camera:Camera;
 let texture:Texture;
+let n:number;
 
 const init = () => {
   print('Main invoked');
 
+  n = 0;
+
   // Create Quad
   cube = primitiveCreate();
   quadInit(cube, 0, -1, -1, 0, 0, 1, 1, 1, 1);
@@ -25,12 +28,16 @@ const init = () => {
 const update = () => {
   shaderUse(shader);
   shaderUseTexture(shader, texture);
+
+  n += epochGetDelta();
+
   
   cameraLookAt(camera, 3,3,3, 0,0,0);
   cameraPerspective(camera, 45, 16/9, 0.01, 100);
 
+
   shaderUseCamera(shader, camera);
-  shaderUsePosition(shader, 0,0,0, 0,0,0);
+  shaderUsePosition(shader, 0,0,0, 0,n,0);
   primitiveDraw(cube, 0, -1);
 }