Class TPiecewiseCubicBezier

Unit

CastleCurves

Declaration

type TPiecewiseCubicBezier = class(TControlPointsCurve)

Description

Piecewise (composite) cubic Bezier curve. Each segment (ControlPoints[i]..ControlPoints[i+1]) is a cubic Bezier curve (Bezier with 4 control points, 2 points in the middle are auto-calculated for max smoothness).

This is a cubic B-spline. Which is equivalent to C2 continuous composite Bézier curves. See https://en.wikipedia.org/wiki/Spline_%28mathematics%29 . Aka Cubic B-Spline (piecewise C2-Smooth Cubic Bezier).

ControlPoints.Count may be 1 (in general, for TControlPointsCurve, it must be >= 2).

Hierarchy

• TObject
• TCurve
• TControlPointsCurve
• TPiecewiseCubicBezier

Overview

Methods

	constructor Create;
	destructor Destroy; override;
	procedure UpdateControlPoints; override;
	function Point(const t: Float): TVector3; override;
	function BoundingBox: TBox3D; override;

Description

Methods

	constructor Create;

	destructor Destroy; override;

	procedure UpdateControlPoints; override;

	function Point(const t: Float): TVector3; override;

	function BoundingBox: TBox3D; override;

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