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--- gamedev:deigde:editors:rig [2020/04/03 21:14] – [Rig] dragonlord
+++ gamedev:deigde:editors:rig [2020/04/05 00:29] – [Preview Video] dragonlord
@@ Line 75: / Line 75: @@
 <WRAP clear/>
-===== Preview Video =====
+====== Shape ======
-https://youtu.be/Bg-nYHpHPVU
+{{ :gamedev:deigde:editors:editor_rig_shape.png?nolink|}}
+Each bone can have one or more [[gamedev:shapes|shapes]] assigned. This panel show parameters of the selected bone shape. To select bone shapes switch to the //Shape// selection mode in the //Edit// menu. You can only select visible shapes. Rig shapes are always visible. Bone shapes are only visible if a bone is selected or if //Bone -> Show All Bone Shapes// menu is checked.
+The content of the panel depends on the [[gamedev:shapes|type]] of the selected shape. These parameters are though present on all shape types.
+The **Parent** is read-only and shows the parent bone of the shape. If this value is empty the shape belongs to the rig itself.
+The **Property** parameter allows to assign a game specific custom property value to the bone shape. This can be used to add per-shape information which can be used during collisions.
+<WRAP center round tip 60%>
+Although this field can contain any kind of value it is recommended to store here a game specific //Identifier//. This way you can use in game scripts a mapping table to store additional information. The //Blender Export Script// supports assigning shape properties too so you can incorporate them into your modelling workflow.
+</WRAP>
+<WRAP clear/>
+====== Constraints ======
+{{ :gamedev:deigde:editors:editor_rig_constraint.png?nolink|Constraint panel}}
+Each bone can have one or more //Constraints// assigned. This panel show parameters of the selected bone constraint. To select bone constraints switch to the //Constraint// selection mode in the //Edit// menu. You can only select visible constraints. Bone constraints are only visible if a bone is selected or if //Bone -> Show All Bone Constraints// menu is checked.
+<WRAP center round tip 60%>
+You can also add constraints to rig. These are only for testing purpose for example to simulate a game script adding a run-time constraint to a rig. This can be used for example to test hinging a door to the game world.
+</WRAP>
+//**Geometry**//
+The **Parent** is read-only and shows the parent bone of the constraint. If this value is empty the constraint belongs to the rig itself.
+The **Target** parameter set the target bone of the constraint. If this value is empty the constraint is attached to the game world.
+The **Position** and **Rotation** parameter define the position and orientation of the //Constraint Coordinate System//. This is the //Hinge// point so to speak. The values are relative to the //Parent Bone Coordinate system//. Hence you define the constraint coordinate system relative to the bone you want to attach not the bone it is attached to.
+The **Offset** parameter defines an optional offset applied to the //Constraint Coordinate System// but from inside the constraint coordinate system.
+//**DOF Linear/Angular X/Y/Z** //
+Defines the linear and angular //Degrees of freedom// for each axis.
+The **Range** parameter defines the //Minimum// and //Maximum// value allowed for the degree of freedom. If the maximum value is equal or less than the minimum value the degree of freedom is locked.
+The **Friction** parameter defines the //Friction Forces// in //Nm//. The first value is the **Static Friction Force**. This is the threshold force before the constraint starts moving. Once moving this force is not more applied. The second value is the **Kinematic Friction Force**. This force is applied only if the constraint is moving.
+The **Stiffness** parameter defines the //Spring Stiffness// in //Nm//. A value of 0 disabled spring behavior. Values larger 0 apply a retraction force towards the original position depending on the displacement of the constraint from the center position.
+//**Damping**//
+Applies **Linear**, **Angular** or **Sprint** damping to the forces acting on the constraint. Damping is a percentage value indicating how much force is destroyed by the damping. A value of 0 applies no damping while a value of 1 destroys all energy literally preventing constraint from moving at all.
+//**Rope**//
+If **Use Rope Physics** is enabled the physics module treats the constraint as a //Rope Constraint//. Physics modules tend to use a different simulation algorithm for ropes to improve the stability.
+//**Breaking**//
+The **Breaking** parameter defines the amount of impulse (Ns) that has to apply on a constraint before it breaks. A broken constraint is disabled and can be enabled again. If the value is zero the constraint never breaks.
+<WRAP clear/>
+====== Push ======
+{{ :gamedev:deigde:editors:editor_rig_push.png?nolink|Push panel}}
+You can add //Pushes// to simulate impulses applied to a rig at the beginning of //Simulation Mode//. This allows to examine how a rig (typically a rag-doll type rig) behaves to an impact event during the game. Useful in this situation is using //Slowmotion// from the //View Panel//. Pushes are visible in the view as an arrow pointing at the position to applied the push to (arrow head) with the arrow direction indicating the direction of the push.
+The **Type** parameter indicates what kind of push to apply. Supported are **Simple Push** and **Explosion**. Simple push applies a single impulse to the rig at the start of a simulation run. Explosion push applies a bunch of impulse at the same time spread along a cone.
+The **Position** and **Orientation** define the position where the push is applied and the direction of the push.
+The **Impulse** defines the amount of impulse in Ns to apply. If explosion type is used the impulse is evenly distributed across all applied impulses.
+The **Ray Count** defines the count of rays to use for explosion type push.
+The **Cone Angle** defines the angle in degrees of the cone to use for explosion type push. Rays are evenly distributed across the cone.
+<WRAP clear/>
+====== View ======
+{{ :gamedev:deigde:editors:editor_rig_view.png?nolink|}}
+The **Resources** panel defines the **Model**, **Skin** and **Animation** resource to use to preview the rig. Without a model no //Simulation Mode// is possible.
+The **Animation Move** panel defines the animation move to play. Requires an //Animation// resource to be assigned to work. The rest pose is shown if the **Use rest pose** parameter is ticked. If **Playback** is ticked the animation move is played in a loop otherwise the desired animation frame (in seconds) is shown.
+The **Physics** panel defines the **World Gravity** and **Local Gravity** to use. World gravity applies to the bones in the rig while local gravity applies to the preview component itself. The **Slowmotion** parameters defines the update speed of the simulation and allows to examine physical behavior in closer detail to spot problems.
+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 rig is previewed in.
+The **Camera** panel shows the parameters of the camera in the preview view. The values can be manually edited.
+The **Camera Attaching** panel allows to attach the preview view camera to bones in the rig.
+<WRAP clear/>

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