#include <bounding_box.hpp>

Public Member Functions
	Line (const BoundingBoxVertex &v1, const BoundingBoxVertex &v2)

float	operator() (const BoundingBoxVertex &p) const

BoundingBoxVertex	intersection (const Line &other) const

Public Attributes
float	a
	X coefficient.

float	b
	Y coefficient.

float	c
	Constant term.

Detailed Description

Implicit two-dimensional line equation a*x + b*y + c = 0.

Definition at line 37 of file bounding_box.hpp.

Constructor & Destructor Documentation

◆ Line()

pcod_common::Line::Line	(	const BoundingBoxVertex &	v1,
		const BoundingBoxVertex &	v2 )

inline

Construct the line passing through two vertices.

Parameters

v1	First vertex.
v2	Second vertex.

Definition at line 46 of file bounding_box.hpp.

                                                                 {
    a = v2.y - v1.y;
    b = v1.x - v2.x;
    c = v2.cross(v1);
  }

References a, b, c, pcod_common::BoundingBoxVertex::cross(), pcod_common::BoundingBoxVertex::x, and pcod_common::BoundingBoxVertex::y.

Member Function Documentation

◆ intersection()

BoundingBoxVertex pcod_common::Line::intersection ( const Line & other ) const

inline

Parameters

other Non-parallel line.

Returns: Intersection vertex.

Definition at line 56 of file bounding_box.hpp.

                                                          {
    float w = a * other.b - b * other.a;
    return BoundingBoxVertex((b * other.c - c * other.b) / w, (c * other.a - a * other.c) / w);
  }