Lucas de Vries
110 lines
2.8 KiB
C++
110 lines
2.8 KiB
C++
#pragma once
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#include "quaternion.h"
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#include "vec2.h"
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#include "line3d.h"
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#include "util/refcount.h"
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#include "aabbox.h"
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namespace render {
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class Camera : public AtomicRefCounted {
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private:
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quaterniond rotation;
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vec3d center;
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double radius;
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AABBoxd positionBound;
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double maxDist;
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vec3d qd_zoom_point;
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vec3d qd_zoom_line;
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vec3d qd_world_motion;
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vec3d qd_cam_motion;
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vec3d qd_abs_motion;
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double qd_yaw, qd_pitch, qd_roll, qd_zoom;
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double qd_abs_yaw, qd_abs_pitch;
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double qd_zoom_min_distance;
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double zNear, zFar, fov, aspect, pxWidth, pxHeight;
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bool objectCamera;
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bool linearZoom;
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bool lockedRotation;
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public:
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void yaw(double radians, bool snap = false);
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void pitch(double radians, bool snap = false);
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void abs_yaw(double radians, bool snap = false);
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void abs_pitch(double radians, bool snap = false);
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void roll(double radians, bool snap = false);
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void zoom(double factor);
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void snap();
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void snapTranslation();
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void setRadius(double radius);
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double getRadius();
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void abs_yaw_to(double yaw, bool snap = false);
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void abs_pitch_to(double pitch, bool snap = false);
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void move_cam(const vec3d& motion);
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void move_cam_abs(const vec3d& motion);
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void move_world(const vec3d& motion);
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void move_world_abs(const vec3d& motion);
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void move_abs(const vec3d& motion);
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void zoomTo(double factor, const vec3d& towards, double minDistance = 0);
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void zoomAlong(double factor, const vec3d& line);
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void animatePercentage(double pct);
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void animate(double seconds);
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void setLinearZoom(bool linear);
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void setLockedRotation(bool locked);
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void setPositionBound(const vec3d& minimum, const vec3d& maximum);
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void setMaxDistance(double dist);
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//Returns the angle in physical screen space
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//that a particular point is directed in from the
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//center of the screen
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double screenAngle(const vec3d& toPoint) const;
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vec2i screenPos(const vec3d& point) const;
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//Returns a ray starting at the near Z plane, ending at the
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//far Z plane, with each endpoint being at <x,y> on the screen in
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//normalized coordinates [0,1]
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line3dd screenToRay(double x, double y) const;
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vec3d getMovedPosition(vec3d pos, double pct) const;
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vec3d getFinalPosition() const;
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vec3d getPosition() const;
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vec3d getFacing() const;
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vec3d getUp() const;
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vec3d getRight() const;
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quaterniond getRotation() const;
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vec3d getLookAt() const;
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vec3d getFinalLookAt() const;
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double getDistance() const;
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double getYaw() const;
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double getPitch() const;
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double getRoll() const;
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//Returns whether the camera is currently upside down
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bool inverted();
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void setObjectCamera(bool ObjectCamera);
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void toLookAt(vec3d& cameraPosition, vec3d& cameraLookAt, vec3d& cameraUp) const;
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void setRenderConstraints(double ZNear, double ZFar, double FOV_degrees, double Aspect, double w, double h);
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void resetRotation();
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void resetZoom();
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Camera();
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};
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};
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