69 lines
1.7 KiB
C
69 lines
1.7 KiB
C
|
// Copyright (c) Microsoft Corporation. All rights reserved.
|
||
|
|
// Licensed under the MIT License.
|
||
|
|
|
||
|
|
#ifndef K4APOINTCLOUDVIEWCONTROL_H
|
||
|
|
#define K4APOINTCLOUDVIEWCONTROL_H
|
||
|
|
|
||
|
|
// System headers
|
||
|
|
//
|
||
|
|
|
||
|
|
// Library headers
|
||
|
|
//
|
||
|
|
#include "k4aimgui_all.h"
|
||
|
|
#include "linmath.h"
|
||
|
|
|
||
|
|
// Project headers
|
||
|
|
//
|
||
|
|
|
||
|
|
namespace k4aviewer
|
||
|
|
{
|
||
|
|
|
||
|
|
// The type of movement that a mouse movement should be interpreted as (if any)
|
||
|
|
//
|
||
|
|
enum class MouseMovementType
|
||
|
|
{
|
||
|
|
None,
|
||
|
|
Rotation,
|
||
|
|
Translation
|
||
|
|
};
|
||
|
|
|
||
|
|
// A camera class that processes input and calculates the view matrices for use in OpenGL
|
||
|
|
//
|
||
|
|
class ViewControl
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
ViewControl();
|
||
|
|
|
||
|
|
// Returns the view matrix calculated using an arcball camera
|
||
|
|
//
|
||
|
|
void GetViewMatrix(linmath::mat4x4 viewMatrix);
|
||
|
|
|
||
|
|
// Gets a matrix representing the perspective transformation
|
||
|
|
//
|
||
|
|
void GetPerspectiveMatrix(linmath::mat4x4 perspectiveMatrix, const linmath::vec2 renderDimensions) const;
|
||
|
|
|
||
|
|
// Processes input received from a mouse input system.
|
||
|
|
// Mouse position is relative to the start of the point cloud display, not the window.
|
||
|
|
//
|
||
|
|
void ProcessMouseMovement(const linmath::vec2 displayDimensions,
|
||
|
|
const linmath::vec2 mousePos,
|
||
|
|
const linmath::vec2 mouseDelta,
|
||
|
|
MouseMovementType movementType);
|
||
|
|
|
||
|
|
// Processes input received from a mouse scroll-wheel event. Only requires input on the vertical wheel-axis
|
||
|
|
//
|
||
|
|
void ProcessMouseScroll(float yoffset);
|
||
|
|
|
||
|
|
// Reset camera view back to default position
|
||
|
|
//
|
||
|
|
void ResetPosition();
|
||
|
|
|
||
|
|
private:
|
||
|
|
float m_zoom;
|
||
|
|
linmath::mat4x4 m_userRotations;
|
||
|
|
linmath::vec3 m_pointCloudPosition;
|
||
|
|
};
|
||
|
|
} // namespace k4aviewer
|
||
|
|
|
||
|
|
#endif
|