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--- gamedev:deigde:editors:particleemitter [2020/04/02 12:38] – [Type] dragonlord
+++ gamedev:deigde:editors:particleemitter [2020/04/05 00:28] (current) – [IGDE Particle Emitter Editor] dragonlord
@@ Line 8: / Line 8: @@
 The particle emitter editor allows to edit [[gamedev:particleemitters|Particle Emitters]] for your game.
-{{ :gamedev:deigde:editors:editor_pemitter.jpg?direct&400 |Particle emitter preview}}
+<WRAP group>
+<WRAP column>
+{{:gamedev:deigde:editors:editor_pemitter.jpg?direct&400|Particle emitter preview}}
+</WRAP>
+<WRAP half column>
+{{youtube>V8i5MSrWfDk?medium}}
+</WRAP>
+</WRAP>
 The editor window composes of the preview view, properties panel on the left side and the property curves on the bottom side.
@@ Line 35: / Line 42: @@
 Particle emitters can have one or more **Particle Types**. Each type describes one kind of particles to emit with their own properties.
-The **Emitter** panel sets preview parameters of the particle emitter and are not type specific nor saved to file.
+<wrap hi>**Emitter Sub Panel**</wrap>
-The **Emit Burst** determines if the particle emitter emits a burst of particles. If enabled the preview particle emitter is restarted after **Lifetime** seconds. If disabled if casts particles continuously.
+Sets preview parameters of the particle emitter and are not type specific nor saved to file.
+The **Emit Burst** determines if the particle emitter emits a burst of particles. If enabled particle emitter emits particles once immediately after being enabled with particle count taken from the //Particle Count// parameter. If disabled particles are cast continuously. Each time a particle is cast (and at the beginning when first enabled) the next cast interval is calculated from the //Interval// parameter. Once the time elapses particles are cast with the particle count taken from the //Particle Count// parameter.
+The **Lifetime** defines the lifetime in seconds of particles in burst mode only. For regular particles the //Time To Live// parameter is used.
+<wrap hi>**Type Sub Panel**</wrap>
 The **Type** parameter is the display name of the type. Use the button next to it to show a context menu to add and remove types.
@@ Line 59: / Line 72: @@
 The **Physics Size** parameter defines the radius of the collision sphere assigned to each particle. The physics size is usually 50% of the visual particle size.
+<wrap hi>**Trail Sub Panel**</wrap>
+Assigns a particle emitter to be used as trail for cast particles. An example are explosion debris which have a smoke trail behind them.
+The **Emitter** parameter defines the particle emitter to use.
+The **Controller** parameter defines the named controller in the trail emitter to assign particle attributes to. This allows to adjust the trail emitter depending on the particle state. For example if a controller name is set for //Linear Velocity// then the controller value will be set to the linear velocity of the particle.
+<wrap hi>**Collision Sub Panel**</wrap>
+The **Response** parameter defines how particles behavior colliding with other geometry. Supported are **Destroy** to destroy the particle and remove it, **Physical Response** to bounce particles physically or **Custom Response** to let game scripts calculate an appropriate collision response.
+The **Emitter** parameter defines an optional particle emitter to use upon collisions. Emitter is used in burst mode.
+The **Min Impulse** parameter defines the minimum impact impulse [Ns] before an emitter instance is created.
+The **Controller** parameter defines the named controller in the collision emitter to assign particle attributes to. This allows to adjust the collision emitter depending on dynamic input. For example if a controller name is set for //Linear Velocity// then the controller value will be set to the linear velocity of the particle.
+<wrap hi>**Parameters Sub Panel**</wrap>
+Shows the list of all supported parameters for the particle type. Parameters with one or more curves defined are shown with a plus sign. All parameters with no curves defined are shown with a minus sign.
+The **Cast Range** parameter defines the range of the cast value for newly cast particles. The cast value is randomly picked from between an including **castValue-range -> castValue+range**.
+The **Cast Spread** parameter defines the spread applied to the cast value for newly cast particles. The spread is added to the cast value.
+The **Controller Value** parameter defines the controller to use as input for the //Value Curve//. If not set 0-input is used for the curve.
+The **Controller Spread** parameter defines the controller to use as input for the //Spread Curve//. If not set 0-input is used for the curve.
 <WRAP clear/>
@@ Line 77: / Line 118: @@
 <WRAP clear/>
-===== Preview Video =====
+====== View ======
+{{ :gamedev:deigde:editors:editor_pemitter_view.png?nolink|View panel}}
+The **Camera** panel shows the parameters of the camera in the preview view. The values can be manually edited.
+The **Sky** panel defines the **Sky** resource to use in the preview view.
+The **Environment Object** panel defines the **Object Class** to use as environment the particle emitter is previewed in.
+The **Preview** panel defines parameters of the particle emitter preview caster. The emitter casts along the Z-axis (blue arrow, x/right=red, y/up=green).
+The **Burst Interval** defines the time in seconds before the preview particle emitter is reset. This is used on burst type emitters only.
+The **Warm-Up Time** can be used to simulate an emitter in a running state. This avoids the need to wait for a couple of seconds to test emitters in running condition.
+The **Enable Casting** enables particle casting. Toggle this on and off to check how the emitter behaves.
+<WRAP clear/>
-<WRAP centeralign>
-https://youtu.be/V8i5MSrWfDk
-</WRAP>

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