48 lines
1.6 KiB
C++
48 lines
1.6 KiB
C++
#ifndef PERSPECTIVECAMERA_H
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#define PERSPECTIVECAMERA_H
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#include "camera/camera.h"
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class PerspectiveCamera : public Camera {
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public:
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// Constructor / Destructor
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PerspectiveCamera();
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~PerspectiveCamera() override = default;
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// Set
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void setPosition(Vector3d const &position) { this->position = position; }
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void setForwardDirection(Vector3d const &forwardDirection) {
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std::tie(this->forwardDirection, this->upDirection, this->rightDirection) = orthoNormalized(forwardDirection, this->upDirection, crossProduct(this->upDirection, forwardDirection));
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}
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void setUpDirection(Vector3d const &upDirection) {
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// IMPLEMENT ME
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// Set up a left-handed coordinate system,
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// in which the camera looks along the positive z-Axis
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// Set up a left-handed coordinate system,
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// in which the camera looks along the positive z-Axis
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std::tie(this->forwardDirection, this->upDirection, this->rightDirection) = orthoNormalized(this->forwardDirection, upDirection, crossProduct(upDirection, this->forwardDirection));
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}
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void setFovAngle(float fovAngle) {
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// Calculate the focus
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this->focus = 1.0f / std::tan((fovAngle * PI / 180) / 2.0f);
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}
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// Camera functions
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Ray createRay(float x, float y) const override;
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//Getter
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Vector3d getPosition() const override { return position; }
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Vector3d getRightDirection() const override{ return rightDirection; }
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Vector3d getUpDirection() const override { return upDirection; }
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protected:
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Vector3d position;
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Vector3d forwardDirection;
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Vector3d upDirection;
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Vector3d rightDirection;
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float focus;
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};
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#endif
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