115 lines
2.6 KiB
C++
115 lines
2.6 KiB
C++
// ==============================================================
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// This file is part of Glest (www.glest.org)
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//
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// Copyright (C) 2001-2008 Martiño Figueroa
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//
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// You can redistribute this code and/or modify it under
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// the terms of the GNU General Public License as published
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// by the Free Software Foundation; either version 2 of the
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// License, or (at your option) any later version
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// ==============================================================
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#ifndef _GLEST_GAME_GAMECAMERA_H_
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#define _GLEST_GAME_GAMECAMERA_H_
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#include "vec.h"
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#include "math_util.h"
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namespace Glest{ namespace Game{
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using Shared::Graphics::Quad2i;
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using Shared::Graphics::Vec3f;
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using Shared::Graphics::Vec3b;
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using Shared::Graphics::Vec2f;
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class Config;
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// =====================================================
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// class GameCamera
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//
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/// A basic camera that holds information about the game view
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// =====================================================
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class GameCamera{
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public:
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static const float startingVAng;
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static const float startingHAng;
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static const float maxHeight;
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static const float minHeight;
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static const float transitionSpeed;
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static const float centerOffsetZ;
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public:
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enum State{
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sGame,
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sFree
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};
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private:
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Vec3f pos;
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Vec3f lastPos;
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float hAng; //YZ plane positive -Z axis
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float vAng; //XZ plane positive +Z axis
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float lastHAng;
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float lastVAng;
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float rotate;
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Vec3f move;
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Vec3b stopMove;
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float stateTransition;
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State state;
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int limitX;
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int limitY;
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//config
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float speed;
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bool clampBounds;
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public:
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GameCamera();
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void init(int limitX, int limitY);
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//get
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float getHAng() const {return hAng;};
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float getVAng() const {return vAng;}
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State getState() const {return state;}
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const Vec3f &getPos() const {return pos;}
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//set
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void setRotate(int rotate) {this->rotate= rotate;}
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void setPos(Vec2f pos);
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void setMoveX(float f) {this->stopMove.x= false; this->move.x= f;}
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void setMoveY(float f) {this->stopMove.y= false; this->move.y= f;}
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void setMoveZ(float f) {this->stopMove.z= false; this->move.z= f;}
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void stopMoveX() {this->stopMove.x= true;}
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void stopMoveY() {this->stopMove.y= true;}
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void stopMoveZ() {this->stopMove.z= true;}
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//other
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void update();
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Quad2i computeVisibleQuad() const;
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void switchState();
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void centerXZ(float x, float z);
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private:
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void clampPosXYZ(float x1, float x2, float y1, float y2, float z1, float z2);
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void clampPosXZ(float x1, float x2, float z1, float z2);
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void rotateHV(float h, float v);
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void moveForwardH(float dist);
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void moveSideH(float dist);
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void moveUp(float dist);
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};
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}} //end namespace
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#endif
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