Finalize ParticleSystem, add angular velocity, multiple emitters, GetBool for IDataReader, use Lerp in LerpColor.

TestGame/Resources/fire_effect.toml

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+# Fire effect example
+[ParticleEmitterSettings]
+
+Local = true
+MaxParticles = 128
+EmitRadius = 8
+Explosiveness = 0
+LifeTime = 1.0
+Direction = [0.0, -1.0]
+LinearVelocity = 200
+LinearVelocityDamping = 0.0
+AngularVelocity = 230
+AngularVelocityDamping = 0.0
+AngularVelocityRandom = 1.0
+Gravity = [0.0, 0.0]
+LinearVelocityRandom = 0.5
+ScaleBegin = 0.1
+ScaleEnd = 5.0
+ColorBegin = [255, 162, 0]
+ColorEnd = [64, 64, 64, 0]