/// <summary> Draws a bipyramidal basis axis using red, green, and blue for
/// the X, Y, and Z axes at the argument pose.
///
/// You can override the axis color with a single value (`overrideAxesColor`),
/// or you can pass a hue shift value to apply to the axis colors
/// (`axesHueShift`). </summary>
public static void Draw(this Pose pose, Drawer drawer,
float length, Color?overrideAxesColor = null,
float?hueShift = null)
{
Color xColor = Color.red, yColor = Color.green, zColor = Color.blue;
if (overrideAxesColor != null)
{
xColor = yColor = zColor = overrideAxesColor.Value;
}
if (hueShift != null)
{
var useHueShift = hueShift.Value;
xColor = xColor.ShiftHue((float)useHueShift);
yColor = yColor.ShiftHue((float)useHueShift);
zColor = zColor.ShiftHue((float)useHueShift);
}
Utils.Require(ref _basisColors, 3);
_basisColors[0] = xColor;
_basisColors[1] = yColor;
_basisColors[2] = zColor;
var bipyramid = new Geometry.Bipyramid(a: Vector3.zero, b: Vector3.zero,
polySegments: 16, lengthFraction: 0.5f, overrideMatrix: pose.matrix());
for (var bIdx = 0; bIdx < 3; bIdx++)
{
var b = Vector3.zero; b[bIdx] = length;
bipyramid.b = b;
drawer.color = _basisColors[bIdx];
bipyramid.DrawLines(drawer.implDrawLine);
}
}
public static void Draw(this Matrix4x4 m, Drawer drawer,
float axisLengths, float?hueShift = null,
Color?color = null,
Color?xColor = null, Color?yColor = null, Color?zColor = null,
bool drawBips = false)
{
var useXColor = xColor ?? color ?? Color.red;
var useYColor = yColor ?? color ?? Color.green;
var useZColor = zColor ?? color ?? Color.blue;
if (hueShift != null)
{
useXColor = useXColor.ShiftHue(hueShift.Value);
useYColor = useYColor.ShiftHue(hueShift.Value);
useZColor = useZColor.ShiftHue(hueShift.Value);
}
if (drawBips)
{
var bipyramid = new Geometry.Bipyramid(a: Vector3.zero, b: Vector3.zero,
polySegments: 16, lengthFraction: 0.5f, overrideMatrix: m);
for (var bIdx = 0; bIdx < 3; bIdx++)
{
var b = Vector3.zero; b[bIdx] = axisLengths;
bipyramid.b = b;
if (bIdx == 0)
{
drawer.color = useXColor;
}
if (bIdx == 1)
{
drawer.color = useYColor;
}
if (bIdx == 2)
{
drawer.color = useZColor;
}
bipyramid.DrawLines(drawer.implDrawLine);
}
}
else
{
for (var i = 0; i < 3; i++)
{
var pos = m.GetPosition();
if (i == 0)
{
drawer.color = useXColor;
}
if (i == 1)
{
drawer.color = useYColor;
}
if (i == 2)
{
drawer.color = useZColor;
}
drawer.implDrawLine(pos, pos + m.GetAxis(i) * axisLengths);
}
}
}
public static void DrawBasis(this Transform t, Drawer drawer,
float?length = null,
Color?overrideAxesColor = null,
float?axesHueShift = null,
Matrix4x4?overrideMatrix = null)
{
var useLength = length.UnwrapOr(0.5f);
var useMatrix = overrideMatrix.UnwrapOr(t.localToWorldMatrix);
var a = Vector3.zero;
Color xColor = Color.red, yColor = Color.green, zColor = Color.blue;
if (overrideAxesColor != null)
{
xColor = yColor = zColor = overrideAxesColor.Value;
}
if (axesHueShift != null)
{
var hueShift = axesHueShift.Value;
xColor = xColor.ShiftHue(hueShift);
yColor = yColor.ShiftHue(hueShift);
zColor = zColor.ShiftHue(hueShift);
}
Utils.Require(ref _basisColors, 3);
_basisColors[0] = xColor;
_basisColors[1] = yColor;
_basisColors[2] = zColor;
var octahedron = new Geometry.Bipyramid(a: a, b: Vector3.zero,
polySegments: 4, lengthFraction: 0.5f,
overrideMatrix: useMatrix);
for (var bIdx = 0; bIdx < 3; bIdx++)
{
var b = Vector3.zero; b[bIdx] = useLength;
octahedron.b = b;
drawer.color = _basisColors[bIdx];
octahedron.DrawLines(drawer.implDrawLine);
}
}