Handles the camera. More...

#include "camera.h"
#include "background.h"
#include "conf.h"
#include "gui.h"
#include "nebula.h"
#include "ntracing.h"
#include "pause.h"
#include "player.h"
#include "sound.h"
#include "space.h"

Include dependency graph for camera.c:

Go to the source code of this file.

Macros
#define	CAMERA_DIR ( M_PI / 2. )

Functions
static void	cam_updateFly (double x, double y, double dt)
	Updates the camera flying to a position.
static void	cam_updatePilot (Pilot *follow, double dt)
	Updates a camera following a pilot.
static void	cam_updatePilotZoom (const Pilot follow, const Pilot target, double dt)
	Updates the camera zoom.
static void	cam_updateManualZoom (double dt)
	Updates the manual zoom target.
void	cam_zoomOverride (int enable)
	Overrides the zoom system.
void	cam_setZoom (double zoom)
	Sets the camera zoom.
void	cam_setZoomTarget (double zoom, double speed)
	Sets the camera zoom target.
double	cam_getZoom (void)
	Gets the camera zoom.
double	cam_getZoomTarget (void)
	Gets the camera zoom.
void	cam_getPos (double x, double y)
	Gets the camera position.
void	cam_getDPos (double dx, double dy)
	Gets the camera position differential (change in last frame).
void	cam_getVel (double vx, double vy)
	Gets the camera velocity.
void	cam_vel (double vx, double vy)
	Sets the camera velocity.
void	cam_setTargetPilot (unsigned int follow, int soft_over)
	Sets the target to follow.
void	cam_setTargetPos (double x, double y, int soft_over)
	Sets the camera target to a position.
int	cam_getTarget (void)
	Returns the camera's current target.
void	cam_update (double dt)
	Updates the camera.

Variables
static unsigned int	camera_followpilot = 0
static int	zoom_override = 0
static double	camera_Z = 1.
static double	camera_X = 0.
static double	camera_Y = 0.
static double	camera_DX
static double	camera_DY
static double	camera_VX = 0.
static double	camera_VY = 0.
static double	old_X = 0.
static double	old_Y = 0.
static double	target_Z = 0.
static double	target_X = 0.
static double	target_Y = 0.
static int	camera_fly = 0
static double	camera_flyspeed = 0.
static double	camera_zoomspeed = 0.

Detailed Description

Handles the camera.

Definition in file camera.c.

Macro Definition Documentation

◆ CAMERA_DIR

#define CAMERA_DIR ( M_PI / 2. )

Definition at line 26 of file camera.c.

Function Documentation

◆ cam_getDPos()

void cam_getDPos	(	double *	dx,
		double *	dy )

Gets the camera position differential (change in last frame).

Definition at line 131 of file camera.c.

◆ cam_getPos()

void cam_getPos	(	double *	x,
		double *	y )

Gets the camera position.

Parameters

[out]	x	X position to get.
[out]	y	Y position to get.

Definition at line 122 of file camera.c.

◆ cam_getTarget()

int cam_getTarget ( void )

Returns the camera's current target.

Returns: 0 if focused on position, else returns pilot ID.

Definition at line 222 of file camera.c.

◆ cam_getVel()

void cam_getVel	(	double *	vx,
		double *	vy )

Gets the camera velocity.

Definition at line 140 of file camera.c.

◆ cam_getZoom()

double cam_getZoom ( void )

Gets the camera zoom.

Returns: The camera's zoom.

Definition at line 101 of file camera.c.

◆ cam_getZoomTarget()

double cam_getZoomTarget ( void )

Gets the camera zoom.

Returns: The camera's zoom.

Definition at line 111 of file camera.c.

◆ cam_setTargetPilot()

void cam_setTargetPilot	(	unsigned int	follow,
		int	soft_over )

Sets the target to follow.

Definition at line 158 of file camera.c.

◆ cam_setTargetPos()

void cam_setTargetPos	(	double	x,
		double	y,
		int	soft_over )

Sets the camera target to a position.

Definition at line 194 of file camera.c.

◆ cam_setZoom()

void cam_setZoom ( double zoom )

Sets the camera zoom.

This is the zoom used in game coordinates.

Parameters

zoom	Zoom to set to.

Definition at line 77 of file camera.c.

◆ cam_setZoomTarget()

void cam_setZoomTarget	(	double	zoom,
		double	speed )

Sets the camera zoom target.

This should be used in conjunction with manual zoom.

Parameters

zoom	Zoom to try to set camera to.
speed	Speed of change to use.

Definition at line 90 of file camera.c.

◆ cam_update()

void cam_update ( double dt )

Updates the camera.

Parameters

dt	Current delta tick.

Definition at line 232 of file camera.c.

◆ cam_updateFly()

void cam_updateFly	(	double	x,
		double	y,
		double	dt )

static

Updates the camera flying to a position.

Definition at line 299 of file camera.c.

◆ cam_updateManualZoom()

void cam_updateManualZoom ( double dt )

static

Updates the manual zoom target.

Speed up if needed.

Definition at line 409 of file camera.c.

◆ cam_updatePilot()

void cam_updatePilot	(	Pilot *	follow,
		double	dt )

static

Updates a camera following a pilot.

Definition at line 329 of file camera.c.

◆ cam_updatePilotZoom()

void cam_updatePilotZoom	(	const Pilot *	follow,
		const Pilot *	target,
		double	dt )

static

Updates the camera zoom.

Speed up if needed.

Definition at line 427 of file camera.c.

◆ cam_vel()

void cam_vel	(	double	vx,
		double	vy )

Sets the camera velocity.

Definition at line 149 of file camera.c.

◆ cam_zoomOverride()

void cam_zoomOverride ( int enable )

Overrides the zoom system.

Parameters

enable Whether or not to override the zoom system.

Definition at line 65 of file camera.c.

Variable Documentation

◆ camera_DX

double camera_DX

static

Initial value:

=

0.

Derivative of X position (velocity) of the camera.

Definition at line 34 of file camera.c.

◆ camera_DY

double camera_DY

static

Initial value:

=

0.

Derivative of Y position (velocity) of the camera.

Definition at line 36 of file camera.c.

◆ camera_fly

int camera_fly = 0

static

Camera is flying to target.

Definition at line 47 of file camera.c.

◆ camera_flyspeed

double camera_flyspeed = 0.

static

Speed when flying.

Definition at line 48 of file camera.c.

◆ camera_followpilot

unsigned int camera_followpilot = 0

static

Pilot to follow.

Definition at line 28 of file camera.c.

◆ camera_VX

double camera_VX = 0.

static

Definition at line 38 of file camera.c.

◆ camera_VY

double camera_VY = 0.

static

Definition at line 39 of file camera.c.

◆ camera_X

double camera_X = 0.

static

X position of camera.

Definition at line 32 of file camera.c.

◆ camera_Y

double camera_Y = 0.

static

Y position of camera.

Definition at line 33 of file camera.c.

◆ camera_Z

double camera_Z = 1.

static

Current in-game zoom.

Definition at line 31 of file camera.c.

◆ camera_zoomspeed

double camera_zoomspeed = 0.

static

Speed when zooming.

Definition at line 49 of file camera.c.

◆ old_X

double old_X = 0.

static

Old X positiion.

Definition at line 41 of file camera.c.

◆ old_Y

double old_Y = 0.

static

Old Y position.

Definition at line 42 of file camera.c.

◆ target_X

double target_X = 0.

static

Target X position.

Definition at line 45 of file camera.c.

◆ target_Y

double target_Y = 0.

static

Target Y position.

Definition at line 46 of file camera.c.

◆ target_Z

double target_Z = 0.

static

Target zoom.

Definition at line 44 of file camera.c.

◆ zoom_override

int zoom_override = 0

static

Whether or not to override the zoom.

Definition at line 29 of file camera.c.

Macros

Functions

Variables

Detailed Description

Macro Definition Documentation

◆ CAMERA_DIR

Function Documentation

◆ cam_getDPos()

◆ cam_getPos()

◆ cam_getTarget()

◆ cam_getVel()

◆ cam_getZoom()

◆ cam_getZoomTarget()

◆ cam_setTargetPilot()

◆ cam_setTargetPos()

◆ cam_setZoom()

◆ cam_setZoomTarget()

◆ cam_update()

◆ cam_updateFly()

◆ cam_updateManualZoom()

◆ cam_updatePilot()

◆ cam_updatePilotZoom()

◆ cam_vel()

◆ cam_zoomOverride()

Variable Documentation

◆ camera_DX

◆ camera_DY

◆ camera_fly

◆ camera_flyspeed

◆ camera_followpilot

◆ camera_VX

◆ camera_VY

◆ camera_X

◆ camera_Y

◆ camera_Z

◆ camera_zoomspeed

◆ old_X

◆ old_Y

◆ target_X

◆ target_Y

◆ target_Z

◆ zoom_override