add loading from json

config/spark_config.json

@@ -0,0 +1,22 @@
+{
+    "emissionRate": 100.0,
+    "maxParticles": 200,
+    "particleSize": 0.04,
+    "biasX": 0.3,
+    "emissionPoints": [
+        {
+            "position": [-2.1, 0.9, 5.0]
+        },
+        {
+            "position": [2.1, 0.9, 5.0]
+        }
+    ],
+    "speedRange": [0.5, 2.0],
+    "zSpeedRange": [1.0, 3.0],
+    "scaleRange": [0.8, 1.2],
+    "lifeTimeRange": [600.0, 1400.0],
+    "texture": "./resources/spark.png",
+    "shaderProgramName": "default",
+    "vertexShader": "./shaders/default.vertex",
+    "fragmentShader": "./shaders/default.fragment"
+}