Henrik Hautakoski
e10daeaaa6
When writing the X11 (linux) implementation there was a problem with X11 defining a "Display" type and we also have a Display class in the engine. So to fix that problem and minimize the risk for running into other name conflicts. We move everything from global namespace.
87 lines
No EOL
1.7 KiB
C++
87 lines
No EOL
1.7 KiB
C++
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#ifndef SPECTRE_SCENE_CAMERA2D_H
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#define SPECTRE_SCENE_CAMERA2D_H
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#include "ICamera.h"
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#include <Spectre/Math/Transform.h>
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// 2D camera implementation.
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// TODO: Support unprojection, from Screenspace -> Worldspace.
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// TODO: Zoom is implemented using a scale matrix.
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// It's abit weird to control. Must be a better solution.
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namespace sp {
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class Camera2D : public ICamera
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{
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public :
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Camera2D();
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Camera2D(const Vector2f& position, const Vector2f& size);
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void reset(const Vector2f& position, const Vector2f& size);
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// Position
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void setPosition(float x, float y);
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void setPosition(const Vector2f& position);
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const Vector2f& getPosition() const;
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void move(float x, float y);
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void move(const Vector2f& vec);
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void moveUp(float delta);
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void moveRight(float delta);
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// Size
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void setSize(unsigned int w, unsigned int h);
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void setSize(const Vector2u& size);
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const Vector2u& getSize() const;
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// Zoom
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void setZoom(float factor);
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void zoom(float factor);
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// Rotation
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void setRotation(float angle);
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void rotate(float delta);
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float getRotation() const;
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// Current view matrix.
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const Matrix4f& getViewMatrix() const;
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const Matrix4f& getProjectionMatrix() const;
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const Matrix4f& getProjectionViewMatrix() const;
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const Transform& getTransform() const;
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protected :
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Vector2f m_position;
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float m_rotation;
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float m_zoom;
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Vector2u m_size;
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// View matrix. should transform world <-> eye space.
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mutable Transform m_view;
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mutable bool m_viewNeedsUpdate;
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// Projection matrix. transforms eye -> Clipping space.
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mutable Matrix4f m_proj;
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mutable bool m_projNeedsUpdate;
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mutable Matrix4f m_projView;
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mutable bool m_projViewNeedsUpdate;
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};
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} // namespace sp
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#endif /* SPECTRE_SCENE_CAMERA2D_H */ |