115 lines
3.1 KiB
Go
115 lines
3.1 KiB
Go
// +build !android
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package raylib
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/*
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#include "raylib.h"
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*/
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import "C"
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import "unsafe"
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// Camera type, defines a camera position/orientation in 3d space
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type Camera struct {
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// Camera position
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Position Vector3
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// Camera target it looks-at
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Target Vector3
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// Camera up vector (rotation over its axis)
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Up Vector3
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// Camera field-of-view apperture in Y (degrees)
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Fovy float32
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}
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func (c *Camera) cptr() *C.Camera {
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return (*C.Camera)(unsafe.Pointer(c))
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}
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// NewCamera - Returns new Camera
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func NewCamera(pos, target, up Vector3, fovy float32) Camera {
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return Camera{pos, target, up, fovy}
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}
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// NewCameraFromPointer - Returns new Camera from pointer
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func NewCameraFromPointer(ptr unsafe.Pointer) Camera {
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return *(*Camera)(ptr)
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}
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// Camera2D type, defines a 2d camera
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type Camera2D struct {
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// Camera offset (displacement from target)
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Offset Vector2
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// Camera target (rotation and zoom origin)
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Target Vector2
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// Camera rotation in degrees
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Rotation float32
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// Camera zoom (scaling), should be 1.0f by default
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Zoom float32
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}
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func (c *Camera2D) cptr() *C.Camera2D {
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return (*C.Camera2D)(unsafe.Pointer(c))
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}
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// NewCamera2D - Returns new Camera2D
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func NewCamera2D(offset, target Vector2, rotation, zoom float32) Camera2D {
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return Camera2D{offset, target, rotation, zoom}
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}
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// NewCamera2DFromPointer - Returns new Camera2D from pointer
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func NewCamera2DFromPointer(ptr unsafe.Pointer) Camera2D {
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return *(*Camera2D)(ptr)
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}
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// Camera mode
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type CameraMode int32
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// Camera system modes
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const (
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CameraCustom CameraMode = C.CAMERA_CUSTOM
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CameraFree CameraMode = C.CAMERA_FREE
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CameraOrbital CameraMode = C.CAMERA_ORBITAL
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CameraFirstPerson CameraMode = C.CAMERA_FIRST_PERSON
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CameraThirdPerson CameraMode = C.CAMERA_THIRD_PERSON
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)
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// SetCameraMode - Set camera mode (multiple camera modes available)
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func SetCameraMode(camera Camera, mode CameraMode) {
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ccamera := camera.cptr()
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cmode := (C.int)(mode)
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C.SetCameraMode(*ccamera, cmode)
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}
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// UpdateCamera - Update camera position for selected mode
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func UpdateCamera(camera *Camera) {
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ccamera := camera.cptr()
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C.UpdateCamera(ccamera)
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}
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// SetCameraPanControl - Set camera pan key to combine with mouse movement (free camera)
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func SetCameraPanControl(panKey int32) {
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cpanKey := (C.int)(panKey)
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C.SetCameraPanControl(cpanKey)
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}
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// SetCameraAltControl - Set camera alt key to combine with mouse movement (free camera)
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func SetCameraAltControl(altKey int32) {
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caltKey := (C.int)(altKey)
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C.SetCameraAltControl(caltKey)
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}
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// SetCameraSmoothZoomControl - Set camera smooth zoom key to combine with mouse (free camera)
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func SetCameraSmoothZoomControl(szKey int32) {
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cszKey := (C.int)(szKey)
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C.SetCameraSmoothZoomControl(cszKey)
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}
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// SetCameraMoveControls - Set camera move controls (1st person and 3rd person cameras)
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func SetCameraMoveControls(frontKey int32, backKey int32, rightKey int32, leftKey int32, upKey int32, downKey int32) {
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cfrontKey := (C.int)(frontKey)
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cbackKey := (C.int)(backKey)
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crightKey := (C.int)(rightKey)
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cleftKey := (C.int)(leftKey)
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cupKey := (C.int)(upKey)
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cdownKey := (C.int)(downKey)
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C.SetCameraMoveControls(cfrontKey, cbackKey, crightKey, cleftKey, cupKey, cdownKey)
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}
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