From 2c1c5595efec1db63c142accda59e83079af217e Mon Sep 17 00:00:00 2001 From: "milo24x7@gmail.com" Date: Sun, 7 Jul 2013 21:26:31 +0000 Subject: Updated open source license declaration and fixed some formatting issues. --- nGenEx/Projector.h | 236 +++++++++++++++++++++++++++++------------------------ 1 file changed, 130 insertions(+), 106 deletions(-) (limited to 'nGenEx/Projector.h') 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 + -- cgit v1.1