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CubicBezierSegment

                            
                              
                                class 
                                CubicBezierSegment
                                extends 
                                
                                  
                                    
                                      PolynomialSegment

A spline segment representing a cubic Bézier curve.

Constructors ​

constructor ​ 

                            
                              
                                public 
                                override
                                new
                                CubicBezierSegment
                                
                                  
                                    
                                      p0
                                      : 
                                      Vector2
                                    
                                    
                                      p1
                                      : 
                                      Vector2
                                    
                                    
                                      p2
                                      : 
                                      Vector2
                                    
                                    
                                      p3
                                      : 
                                      Vector2
                                    
                                  
                                
                                : 
                                CubicBezierSegment

Parameters

  • p0 : Vector2
  • p1 : Vector2
  • p2 : Vector2
  • p3 : Vector2
Overwrites PolynomialSegment.constructor

Properties ​

p0 ​ 

                            
                              
                                readonly 
                                public 
                                p0
                                : 
                                Vector2

p1 ​ 

                            
                              
                                readonly 
                                public 
                                p1
                                : 
                                Vector2

p2 ​ 

                            
                              
                                readonly 
                                public 
                                p2
                                : 
                                Vector2

p3 ​ 

                            
                              
                                readonly 
                                public 
                                p3
                                : 
                                Vector2

Accessors ​

arcLength ​ 

                            
                              
                                public 
                                get 
                                arcLength
                                (): 
                                number
Inherited from PolynomialSegment.arcLength

points ​ 

                            
                              
                                public 
                                get 
                                override
                                points
                                (): 
                                Vector2
                                []
Overwrites PolynomialSegment.points

Methods ​

draw ​ 

                            
                              
                                public 
                                draw
                                
                                  
                                    
                                      context
                                      : 
                                      
                                        
                                          
                                            CanvasRenderingContext2D
                                          
                                          
                                            Path2D
                                          
                                        
                                      
                                    
                                    
                                      start
                                      : 
                                      number
                                       = 
                                      0
                                    
                                    
                                      end
                                      : 
                                      number
                                       = 
                                      1
                                    
                                    
                                      move
                                      : 
                                      boolean
                                       = 
                                      true
                                    
                                  
                                
                                : 
                                
                                  
                                    
                                      CurvePoint
                                    
                                    
                                      CurvePoint

Parameters

Inherited from PolynomialSegment.draw

eval ​ 

                            
                              
                                public 
                                eval
                                
                                  
                                    
                                      t
                                      : 
                                      number
                                    
                                  
                                
                                : 
                                CurvePoint

Evaluate the polynomial at the given t value.

Parameters

  • t : number

    The t value at which to evaluate the curve.

Inherited from PolynomialSegment.eval

getBBox ​ 

                            
                              
                                public 
                                getBBox
                                (): 
                                BBox
Inherited from PolynomialSegment.getBBox

getPoint ​ 

                            
                              
                                public 
                                getPoint
                                
                                  
                                    
                                      distance
                                      : 
                                      number
                                    
                                  
                                
                                : 
                                CurvePoint

Parameters

Inherited from PolynomialSegment.getPoint

split ​ 

                            
                              
                                public 
                                override
                                split
                                
                                  
                                    
                                      t
                                      : 
                                      number
                                    
                                  
                                
                                : 
                                
                                  
                                    
                                      PolynomialSegment
                                    
                                    
                                      PolynomialSegment

Parameters

  • t : number
Overwrites PolynomialSegment.split

tangent ​ 

                            
                              
                                public 
                                tangent
                                
                                  
                                    
                                      t
                                      : 
                                      number
                                    
                                  
                                
                                : 
                                Vector2

Return the tangent of the point that sits at the provided t value on thecurve.

Parameters

  • t : number

    The t value at which to evaluate the curve.

Inherited from PolynomialSegment.tangent

transformPoints ​ 

                            
                              
                                public 
                                transformPoints
                                
                                  
                                    
                                      matrix
                                      : 
                                      DOMMatrix
                                    
                                  
                                
                                : 
                                Vector2
                                []

Parameters

Inherited from PolynomialSegment.transformPoints