Draw Capsule Gizmo

Question

I want to draw a wireframe capsule gizmo, kinda like this:

void OnDrawGizmosSelected() {
    Gizmos.color = Color.green;
    Gizmos.DrawWireSphere(transform.position, 5.0f);
}

Just a capsule. Not a sphere. Is there an easy way to do this?

Answer 1

Best Answer

Answer by Scribe · Apr 02, 2011 at 08:58 PM

Class Variables color Sets the color for the gizmos that will be drawn next. matrix Set the gizmo matrix used to draw all gizmos.

Class Functions
DrawRay         Draws a ray starting at from to from + direction.
DrawLine           Draws a line starting at from towards to.
DrawWireSphere   Draws a wireframe sphere with center and radius.
DrawSphere       Draws a solid sphere with center and radius.
DrawWireCube       Draw a wireframe box with center and size.
DrawCube           Draw a solid box with center and size.
DrawIcon           Draw an icon at world position in the scene view.
DrawGUITexture   Draw a texture in screen coordinates. Useful for GUI backgrounds.

these are the only things that gizmos allow for so no ther is no easy way of having a wire frame capsule

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Answer 2

Created a static method if people need.

 public static void DrawWireCapsule(Vector3 _pos, Quaternion _rot, float _radius, float _height, Color _color = default(Color))
     {
         if (_color != default(Color))
             Handles.color = _color;
         Matrix4x4 angleMatrix = Matrix4x4.TRS(_pos, _rot, Handles.matrix.lossyScale);
         using (new Handles.DrawingScope(angleMatrix))
         {
             var pointOffset = (_height - (_radius * 2)) / 2;
 
             //draw sideways
             Handles.DrawWireArc(Vector3.up * pointOffset, Vector3.left, Vector3.back, -180, _radius);
             Handles.DrawLine(new Vector3(0, pointOffset, -_radius), new Vector3(0, -pointOffset, -_radius));
             Handles.DrawLine(new Vector3(0, pointOffset, _radius), new Vector3(0, -pointOffset, _radius));
             Handles.DrawWireArc(Vector3.down * pointOffset, Vector3.left, Vector3.back, 180, _radius);
             //draw frontways
             Handles.DrawWireArc(Vector3.up * pointOffset, Vector3.back, Vector3.left, 180, _radius);
             Handles.DrawLine(new Vector3(-_radius, pointOffset, 0), new Vector3(-_radius, -pointOffset, 0));
             Handles.DrawLine(new Vector3(_radius, pointOffset, 0), new Vector3(_radius, -pointOffset, 0));
             Handles.DrawWireArc(Vector3.down * pointOffset, Vector3.back, Vector3.left, -180, _radius);
             //draw center
             Handles.DrawWireDisc(Vector3.up * pointOffset, Vector3.up, _radius);
             Handles.DrawWireDisc(Vector3.down * pointOffset, Vector3.up, _radius);
 
         }
     }

Answer 3

Answer by Orr10c · Mar 04, 2018 at 10:05 AM

I might be alittle late, ok VERY late but I figured out a way to do this pretty easily and wanted everyone to have a solution to this: I used the Gizmos.DrawMesh function and assigned a capsuled shaped mesh (which unity has as a default 3D shape) to a variable of my script and then sent that variable as a parameter to the DrawMesh function and I could pretty easily mess with the size and radius of the capsule.

works great for me, hope it helps anyone.

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PixelFireXY · Jun 22, 2021 at 01:59 PM 0

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Nice thought, thanks!

Sebasian · May 14 at 06:10 PM 0

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a small a code example would help alot. I have no idea how to create a capsule mesh via code.

Draw Capsule Gizmo

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