diff options
Diffstat (limited to 'nGenEx/Projector.h')
| -rw-r--r-- | nGenEx/Projector.h | 236 |
1 files changed, 130 insertions, 106 deletions
diff --git a/nGenEx/Projector.h b/nGenEx/Projector.h index 1a78c37..d314ec5 100644 --- a/nGenEx/Projector.h +++ b/nGenEx/Projector.h @@ -1,106 +1,130 @@ -/* Project nGenEx
- Destroyer Studios LLC
- Copyright © 1997-2004. All Rights Reserved.
-
- SUBSYSTEM: nGenEx.lib
- FILE: Projector.h
- AUTHOR: John DiCamillo
-
-
- OVERVIEW
- ========
- 3D Projection Camera class
-*/
-
-#ifndef Projector_h
-#define Projector_h
-
-#include "Geometry.h"
-#include "Window.h"
-#include "Camera.h"
-#include "Polygon.h"
-
-// +--------------------------------------------------------------------+
-
-class Projector
-{
-public:
- Projector(Window* win, Camera* cam);
- virtual ~Projector();
-
- // Operations:
- virtual void UseWindow(Window* win);
- virtual void UseCamera(Camera* cam);
- virtual void SetDepthScale(float scale);
- virtual double GetDepthScale() const;
- virtual void SetFieldOfView(double fov);
- virtual double GetFieldOfView() const;
- virtual int SetInfinite(int i);
- virtual void StartFrame();
-
- // accessor:
- Point Pos() const { return camera->Pos(); }
- Point vrt() { return camera->vrt(); }
- Point vup() { return camera->vup(); }
- Point vpn() { return camera->vpn(); }
- const Matrix& Orientation() const { return camera->Orientation(); }
-
- double XAngle() const { return xangle; }
- double YAngle() const { return yangle; }
-
- bool IsOrthogonal() const { return orthogonal; }
- void SetOrthogonal(bool o) { orthogonal = o; }
-
- // projection and clipping geometry:
- virtual void Transform(Vec3& vec) const;
- virtual void Transform(Point& point) const;
-
- virtual void Project(Vec3& vec, bool clamp=true) const;
- virtual void Project(Point& point, bool clamp=true) const;
- virtual void ProjectRect(Point& origin, double& w, double& h) const;
-
- virtual float ProjectRadius(const Vec3& vec, float radius) const;
-
- virtual void Unproject(Point& point) const;
- int IsVisible(const Vec3& v, float radius) const;
- int IsBoxVisible(const Point* p) const;
-
- float ApparentRadius(const Vec3& v, float radius) const;
-
- virtual void SetWorldSpace() { frustum_planes = world_planes; }
- virtual void SetViewSpace() { frustum_planes = view_planes; }
-
- Plane* GetCurrentClipPlanes() { return frustum_planes; }
-
- void SetUpFrustum();
- void ViewToWorld(Point& pin, Point& pout);
- void ViewToWorld(Vec3& vin, Vec3& vout);
- void SetWorldspaceClipPlane(Vec3& normal, Plane& plane);
-
-protected:
- Camera* camera;
-
- int width, height;
- double field_of_view;
- double xscreenscale, yscreenscale, maxscale;
- double xcenter, ycenter;
- double xangle, yangle;
-
- int infinite;
- float depth_scale;
- bool orthogonal;
-
- enum DISPLAY_CONST {
- NUM_FRUSTUM_PLANES= 4,
- };
-
- Plane* frustum_planes;
- Plane world_planes[NUM_FRUSTUM_PLANES];
- Plane view_planes[NUM_FRUSTUM_PLANES];
-
- float xclip0, xclip1;
- float yclip0, yclip1;
-};
-
-#endif Projector_h
-
+/* Starshatter OpenSource Distribution + Copyright (c) 1997-2004, Destroyer Studios LLC. + All Rights Reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + * Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above copyright notice, + this list of conditions and the following disclaimer in the documentation + and/or other materials provided with the distribution. + * Neither the name "Destroyer Studios" nor the names of its contributors + may be used to endorse or promote products derived from this software + without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + POSSIBILITY OF SUCH DAMAGE. + + SUBSYSTEM: nGenEx.lib + FILE: Projector.h + AUTHOR: John DiCamillo + + + OVERVIEW + ======== + 3D Projection Camera class +*/ + +#ifndef Projector_h +#define Projector_h + +#include "Geometry.h" +#include "Window.h" +#include "Camera.h" +#include "Polygon.h" + +// +--------------------------------------------------------------------+ + +class Projector +{ +public: + Projector(Window* win, Camera* cam); + virtual ~Projector(); + + // Operations: + virtual void UseWindow(Window* win); + virtual void UseCamera(Camera* cam); + virtual void SetDepthScale(float scale); + virtual double GetDepthScale() const; + virtual void SetFieldOfView(double fov); + virtual double GetFieldOfView() const; + virtual int SetInfinite(int i); + virtual void StartFrame(); + + // accessor: + Point Pos() const { return camera->Pos(); } + Point vrt() { return camera->vrt(); } + Point vup() { return camera->vup(); } + Point vpn() { return camera->vpn(); } + const Matrix& Orientation() const { return camera->Orientation(); } + + double XAngle() const { return xangle; } + double YAngle() const { return yangle; } + + bool IsOrthogonal() const { return orthogonal; } + void SetOrthogonal(bool o) { orthogonal = o; } + + // projection and clipping geometry: + virtual void Transform(Vec3& vec) const; + virtual void Transform(Point& point) const; + + virtual void Project(Vec3& vec, bool clamp=true) const; + virtual void Project(Point& point, bool clamp=true) const; + virtual void ProjectRect(Point& origin, double& w, double& h) const; + + virtual float ProjectRadius(const Vec3& vec, float radius) const; + + virtual void Unproject(Point& point) const; + int IsVisible(const Vec3& v, float radius) const; + int IsBoxVisible(const Point* p) const; + + float ApparentRadius(const Vec3& v, float radius) const; + + virtual void SetWorldSpace() { frustum_planes = world_planes; } + virtual void SetViewSpace() { frustum_planes = view_planes; } + + Plane* GetCurrentClipPlanes() { return frustum_planes; } + + void SetUpFrustum(); + void ViewToWorld(Point& pin, Point& pout); + void ViewToWorld(Vec3& vin, Vec3& vout); + void SetWorldspaceClipPlane(Vec3& normal, Plane& plane); + +protected: + Camera* camera; + + int width, height; + double field_of_view; + double xscreenscale, yscreenscale, maxscale; + double xcenter, ycenter; + double xangle, yangle; + + int infinite; + float depth_scale; + bool orthogonal; + + enum DISPLAY_CONST { + NUM_FRUSTUM_PLANES= 4, + }; + + Plane* frustum_planes; + Plane world_planes[NUM_FRUSTUM_PLANES]; + Plane view_planes[NUM_FRUSTUM_PLANES]; + + float xclip0, xclip1; + float yclip0, yclip1; +}; + +#endif Projector_h + |