46 lines
1.3 KiB
C++
46 lines
1.3 KiB
C++
#pragma once
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#include "Mat.hpp"
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#include "Ray.hpp"
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namespace tp {
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class Camera {
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Vec3F mPos, mTarget, mUp;
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halnf mFOV = (halnf) (PI) / 4;
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halnf mNear = 0.001f;
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halnf mFar = 100.f;
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halnf mRatio = 1.f;
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public:
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Camera();
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~Camera() = default;
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void setRatio(halnf ratio);
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void setFOV(halnf fov);
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void setFar(halnf far);
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[[nodiscard]] const Vec3F& getPos() const;
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[[nodiscard]] const Vec3F& getTarget() const;
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[[nodiscard]] Vec3F getForward() const;
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[[nodiscard]] const Vec3F& getUp() const;
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[[nodiscard]] halnf getRatio() const;
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[[nodiscard]] halnf getFOV() const;
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[[nodiscard]] halnf getFar() const;
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[[nodiscard]] halnf getNear() const;
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public:
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void lookAtPoint(const Vec3F& aTarget, const Vec3F& aPos, Vec3F aUp);
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void rotate(halnf anglex, halnf angleY);
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void move(Vec2F aPos, Vec2F aPrevPos);
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void zoom(halnf ratio);
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void offset_target(halnf val);
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public:
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[[nodiscard]] Mat4F calculateTransformationMatrix() const;
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[[nodiscard]] Mat<halnf, 4, 4> calculateProjectionMatrix() const;
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[[nodiscard]] Mat<halnf, 4, 4> calculateViewMatrix() const;
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[[nodiscard]] Vec3F project(Vec2F normalized);
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[[nodiscard]] Vec2F project(const Vec3F& world);
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[[nodiscard]] static Vec2F project(const tp::Vec3F& world, const tp::Mat4F& viewMat, const tp::Mat4F& projMat);
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};
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}
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