69 lines
1.8 KiB
C++
69 lines
1.8 KiB
C++
// Camera3D.h - 3D camera for McRogueFace
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// Provides view and projection matrices for 3D rendering
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#pragma once
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#include "Math3D.h"
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namespace mcrf {
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// =============================================================================
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// Camera3D - First-person style camera with position, target, up vector
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// =============================================================================
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class Camera3D {
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public:
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Camera3D();
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Camera3D(const vec3& position, const vec3& target);
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// Position and orientation
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void setPosition(const vec3& pos);
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void setTarget(const vec3& target);
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void setUp(const vec3& up);
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vec3 getPosition() const { return position_; }
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vec3 getTarget() const { return target_; }
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vec3 getUp() const { return up_; }
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// Direction vectors
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vec3 getForward() const;
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vec3 getRight() const;
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// Projection settings
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void setFOV(float fovDegrees);
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void setAspect(float aspect);
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void setClipPlanes(float near, float far);
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float getFOV() const { return fov_; }
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float getAspect() const { return aspect_; }
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float getNearClip() const { return nearClip_; }
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float getFarClip() const { return farClip_; }
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// Matrix computation
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mat4 getViewMatrix() const;
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mat4 getProjectionMatrix() const;
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mat4 getViewProjectionMatrix() const;
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// Convenience methods for camera movement
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void moveForward(float distance);
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void moveRight(float distance);
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void moveUp(float distance);
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// Orbit around target
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void orbit(float yawDelta, float pitchDelta);
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// Look at a specific point (updates target)
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void lookAt(const vec3& point);
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private:
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vec3 position_;
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vec3 target_;
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vec3 up_;
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float fov_ = 60.0f; // Vertical FOV in degrees
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float aspect_ = 1.0f; // Width / height
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float nearClip_ = 0.1f;
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float farClip_ = 100.0f;
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};
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} // namespace mcrf
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