Intersection Class

Module: cc

Intersection helper class

Index

Methods

• lineLine Test line and line
• lineRect Test line and rect
• linePolygon Test line and polygon
• rectRect Test rect and rect
• rectPolygon Test rect and polygon
• polygonPolygon Test polygon and polygon
• circleCircle Test circle and circle
• polygonCircle Test polygon and circle
• pointInPolygon Test whether the point is in the polygon
• pointLineDistance Calculate the distance of point to line.

Details

Methods

lineLine

Test line and line

Parameters

• a1 Vec2 The start point of the first line
• a2 Vec2 The end point of the first line
• b1 Vec2 The start point of the second line
• b2 Vec2 The end point of the second line

lineRect

Test line and rect

Parameters

• a1 Vec2 The start point of the line
• a2 Vec2 The end point of the line
• b Rect The rect

linePolygon

Test line and polygon

Parameters

• a1 Vec2 The start point of the line
• a2 Vec2 The end point of the line
• b Vec2[] The polygon, a set of points

rectRect

Test rect and rect

Parameters

• a Rect The first rect
• b Rect The second rect

rectPolygon

Test rect and polygon

Parameters

• a Rect The rect
• b Vec2[] The polygon, a set of points

polygonPolygon

Test polygon and polygon

Parameters

• a Vec2[] The first polygon, a set of points
• b Vec2[] The second polygon, a set of points

circleCircle

Test circle and circle

Parameters

• a Object Object contains position and radius
• b Object Object contains position and radius

polygonCircle

Test polygon and circle

Parameters

• polygon Vec2[] The Polygon, a set of points
• circle Object Object contains position and radius

pointInPolygon

Test whether the point is in the polygon

Parameters

• point Vec2 The point
• polygon Vec2[] The polygon, a set of points

pointLineDistance

Calculate the distance of point to line.

Parameters

• point Vec2 The point
• start Vec2 The start point of line
• end Vec2 The end point of line
• isSegment boolean whether this line is a segment