public static ArrowHelper Create(Renderer renderer, Vector3 dir, Vector3 origin, float length = 1, Color? color = null, float? headLength = null, float? headWidth = null)
{
var c = color.HasValue ? color.Value : new Color(0xffff00);
if (lineGeometry == null)
{
lineGeometry = new Geometry();
lineGeometry.vertices.Add(Vector3.Zero);
lineGeometry.vertices.Add(Vector3.UnitY);
lineGeometry.vertexColors = new List<Color>()
{
c,
c,
};
}
if (coneGeometry == null)
{
coneGeometry = new CylinderGeometry(0, 0.5f, 1, 5, 1);
var m = Matrix4.MakeTranslation(0, -0.5f, 0);
coneGeometry.Apply(m);
}
var arrowHelper = new ArrowHelper();
// dir is assumed to be normalized
var head = headLength.HasValue ? headLength.Value : 0.2f * length;
var width = headWidth.HasValue ? headWidth.Value : 0.2f * head;
arrowHelper.Position = origin;
arrowHelper.line = new Line(lineGeometry, new LineBasicMaterial(renderer)
{
Diffuse = c,
VertexColors = Net.Renderers.VertexColorMode.Vertex
});
arrowHelper.line.matrixAutoUpdate = false;
arrowHelper.Add(arrowHelper.line);
arrowHelper.cone = new Mesh(coneGeometry, new MeshBasicMaterial(renderer)
{
Diffuse = c
});
arrowHelper.cone.matrixAutoUpdate = false;
arrowHelper.Add(arrowHelper.cone);
arrowHelper.SetDirection(dir.Normalized());
arrowHelper.SetLength(length, head, width);
return arrowHelper;
}
public static ArrowHelper Create(Renderer renderer, Vector3 dir, Vector3 origin, float length = 1, Color?color = null, float?headLength = null, float?headWidth = null)
{
var c = color.HasValue ? color.Value : new Color(0xffff00);
if (lineGeometry == null)
{
lineGeometry = new Geometry();
lineGeometry.vertices.Add(Vector3.Zero);
lineGeometry.vertices.Add(Vector3.UnitY);
lineGeometry.vertexColors = new List <Color>()
{
c,
c,
};
}
if (coneGeometry == null)
{
coneGeometry = new CylinderGeometry(0, 0.5f, 1, 5, 1);
var m = Matrix4.MakeTranslation(0, -0.5f, 0);
coneGeometry.Apply(m);
}
var arrowHelper = new ArrowHelper();
// dir is assumed to be normalized
var head = headLength.HasValue ? headLength.Value : 0.2f * length;
var width = headWidth.HasValue ? headWidth.Value : 0.2f * head;
arrowHelper.Position = origin;
arrowHelper.line = new Line(lineGeometry, new LineBasicMaterial(renderer)
{
Diffuse = c,
VertexColors = Net.Renderers.VertexColorMode.Vertex
});
arrowHelper.line.matrixAutoUpdate = false;
arrowHelper.Add(arrowHelper.line);
arrowHelper.cone = new Mesh(coneGeometry, new MeshBasicMaterial(renderer)
{
Diffuse = c
});
arrowHelper.cone.matrixAutoUpdate = false;
arrowHelper.Add(arrowHelper.cone);
arrowHelper.SetDirection(dir.Normalized());
arrowHelper.SetLength(length, head, width);
return(arrowHelper);
}
