Camera Class Reference

Camera class. Camera that can follow target a ship. Zoom and Independent movement also possible. Handles drawing of HUD, only if a ship is targeted. More...

#include <Camera.hpp>

Inheritance diagram for Camera:

Collaboration diagram for Camera:

Public Member Functions
	Camera (sf::RenderTarget &target)
void	setTarget (Ship *target)
Ship *	getTarget ()
void	clearTarget (bool savexf)
	Clears the camera's target, can keep camera on target's last position or reset. More...
void	loadFont (std::string filename)
	Loads a font, required for drawing HUD. More...
void	update ()
	Updates camera's center to where the target is. More...
void	move (sf::Vector2f xf)
	Move controls for the camera. More...
void	moveReset ()
void	zoomIn ()
	Zoom controls for camera. More...
void	zoomOut ()
void	zoomSet (float mult)
void	zoomReset ()
void	drawHUD ()
	HUD Drawing controls, both of these change render target for their duration. More...
void	drawRadar (std::list< Ship * > &objList, sf::Vector2f centre, float radius)
float	getZoomPercent () const
	Returns zoom factor as a percentage. More...

Private Member Functions
void	drawText (std::string info, sf::Vector2f pos, sf::Color color)
void	drawRadarObj (sf::ConvexShape *shape)
	Draws a color text at pos to HUD, called by drawHUD() More...
sf::Vector2f	worldToRadar (sf::Vector2f const &worldPos)
	Converts a vector from world space down through range and into radar on-screen space. More...
sf::Vector2f	translateVector (sf::Vector2f pos, sf::FloatRect src, sf::FloatRect dest)
	Translates pos in coordinate space src to equivalent in coord space dest. More...

Private Attributes
Ship *	target_
	The target followed ship. More...
sf::Vector2f	screenSize_
	Keep a record of the screen size for resets. More...
float	zoomFactor_
	The internal factor of the zoom. More...
float	zoomStep_
	Zoom step [0.25 == 25%]. More...
sf::Vector2f	move_
	Translation Vector of camera. More...
sf::Font *	font_
	Font to draw HUD with. More...
sf::Text	text_
	HUD is drawn with a single text. More...
sf::RenderTarget &	rentrg_
	HUD is drawn to this target. More...
int	radarSize_
	Radar size within HUD. More...
sf::Vector2f	radarPos_
	Radar position within HUD. More...

Detailed Description

Camera class. Camera that can follow target a ship. Zoom and Independent movement also possible. Handles drawing of HUD, only if a ship is targeted.

Remarks

I,J,K,L moves the camera. I and O zoom in and out respectively.

Constructor & Destructor Documentation

Camera::Camera

(

sf::RenderTarget &

target

)

Member Function Documentation

void Camera::clearTarget

(

bool

savexf

)

Clears the camera's target, can keep camera on target's last position or reset.

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void Camera::drawHUD

(

)

HUD Drawing controls, both of these change render target for their duration.

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void Camera::drawRadar	(	std::list< Ship * > &	objList,
		sf::Vector2f	centre,
		float	radius
	)

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void Camera::drawRadarObj ( sf::ConvexShape *  shape )

private

Draws a color text at pos to HUD, called by drawHUD()

Draws a single radar object to radar, called by drawRadar()

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void Camera::drawText ( std::string  info, sf::Vector2f  pos = sf::Vector2f(0, 0), sf::Color  color = sf::Color::White  )

private

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Ship * Camera::getTarget

(

)

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float Camera::getZoomPercent

(

)

const

Returns zoom factor as a percentage.

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void Camera::loadFont

(

std::string

filename

)

Loads a font, required for drawing HUD.

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void Camera::move

(

sf::Vector2f

xf

)

Move controls for the camera.

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void Camera::moveReset

(

)

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void Camera::setTarget

(

Ship *

target

)

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sf::Vector2f Camera::translateVector ( sf::Vector2f  pos, sf::FloatRect  src, sf::FloatRect  dest  )

private

Translates pos in coordinate space src to equivalent in coord space dest.

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void Camera::update

(

)

Updates camera's center to where the target is.

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sf::Vector2f Camera::worldToRadar ( sf::Vector2f const &  worldPos )

private

Converts a vector from world space down through range and into radar on-screen space.

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void Camera::zoomIn

(

)

Zoom controls for camera.

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void Camera::zoomOut

(

)

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void Camera::zoomReset

(

)

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void Camera::zoomSet

(

float

mult

)

Member Data Documentation

sf::Font* Camera::font_

private

Font to draw HUD with.

sf::Vector2f Camera::move_

private

Translation Vector of camera.

sf::Vector2f Camera::radarPos_

private

Radar position within HUD.

int Camera::radarSize_

private

Radar size within HUD.

sf::RenderTarget& Camera::rentrg_

private

HUD is drawn to this target.

sf::Vector2f Camera::screenSize_

private

Keep a record of the screen size for resets.

Ship* Camera::target_

private

The target followed ship.

sf::Text Camera::text_

private

HUD is drawn with a single text.

float Camera::zoomFactor_

private

The internal factor of the zoom.

float Camera::zoomStep_

private

Zoom step [0.25 == 25%].

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

• Arnieboids/include/Camera.hpp
• Arnieboids/src/Camera.cpp