cangine::Position Class Reference

Helper for converting screen-space positions into normalized device coordinates. More...

#include <position.hpp>

Collaboration diagram for cangine::Position:

Static Public Member Functions
static Vector3	normalize (const Vector3 &v)
	Normalizes a 3D position into clip space.
static Vector2	normalize (const Vector2 &v)
	Normalizes a 2D position into clip space.
static Vertex	normalize (const Vertex &v)
	Normalizes a vertex's position into clip space.

Static Public Attributes
static Window *	window_instance = nullptr
	Window used as the reference frame for normalization.

Detailed Description

Helper for converting screen-space positions into normalized device coordinates.

Normalization maps pixel coordinates (relative to the active window) into the [-1, 1] clip-space range expected by the renderer.

Member Function Documentation

normalize() [1/3]

Vector2 cangine::Position::normalize ( const Vector2 &  v )

static

Normalizes a 2D position into clip space.

Parameters

v	Position in screen/pixel space.

Returns

The position in normalized device coordinates.

normalize() [2/3]

Vector3 cangine::Position::normalize ( const Vector3 &  v )

static

Normalizes a 3D position into clip space.

Parameters

v	Position in screen/pixel space (z is the layer).

Returns

The position in normalized device coordinates.

normalize() [3/3]

Vertex cangine::Position::normalize ( const Vertex &  v )

static

Normalizes a vertex's position into clip space.

Parameters

v	Vertex whose position is in screen/pixel space.

Returns

A copy of the vertex with its position normalized.

Member Data Documentation

window_instance

Window * cangine::Position::window_instance = nullptr

static

Window used as the reference frame for normalization.

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The documentation for this class was generated from the following files:

• cangine/src/cangine/util/position.hpp
• cangine/src/cangine/util/position.cpp