Sandro Sobczyński
83 lines
2.1 KiB
C++
83 lines
2.1 KiB
C++
/*
|
|
# ______ ____ ___
|
|
# | \/ ____| |___|
|
|
# | | | \ | |
|
|
#-----------------------------------------------------------------------
|
|
# Copyright 2020, tyra - https://github.com/h4570/tyra
|
|
# Licenced under Apache License 2.0
|
|
# Sandro Sobczyński <sandro.sobczynski@gmail.com>
|
|
*/
|
|
|
|
#include "camera.hpp"
|
|
|
|
#include <utils/math.hpp>
|
|
#include <utils/debug.hpp>
|
|
|
|
const float CAMERA_Y = 15.0F;
|
|
|
|
// ----
|
|
// Constructors/Destructors
|
|
// ----
|
|
|
|
Camera::Camera(ScreenSettings *t_screen) : CameraBase(t_screen, &position, &up)
|
|
{
|
|
PRINT_LOG("Initializing camera");
|
|
verticalLevel = 80.0F;
|
|
up.x = 0.0F;
|
|
up.y = 1.0F;
|
|
up.z = 0.0F;
|
|
PRINT_LOG("Camera initialized!");
|
|
}
|
|
|
|
Camera::~Camera() {}
|
|
|
|
// ----
|
|
// Methods
|
|
// ----
|
|
|
|
void Camera::update(Pad &t_pad, Mesh &t_mesh)
|
|
{
|
|
rotate(t_pad);
|
|
followBy(t_mesh);
|
|
Vector3 lookPos = Vector3(t_mesh.position.x, t_mesh.position.y + 10.0F, t_mesh.position.z);
|
|
lookAt(lookPos);
|
|
}
|
|
|
|
/** Set camera rotation by pad right joy and update unit circle
|
|
* https://en.wikipedia.org/wiki/Unit_circle
|
|
* https://www.desmos.com/calculator/3e7iypw4ow
|
|
*/
|
|
void Camera::rotate(Pad &t_pad)
|
|
{
|
|
if (t_pad.rJoyH <= 50)
|
|
horizontalLevel -= 0.08;
|
|
else if (t_pad.rJoyH >= 200)
|
|
horizontalLevel += 0.04;
|
|
if (t_pad.rJoyV <= 50 && verticalLevel > 25.0F)
|
|
verticalLevel -= 0.9F;
|
|
else if (t_pad.rJoyV >= 200 && verticalLevel < 80.0F)
|
|
verticalLevel += 0.9F;
|
|
unitCirclePosition.x = (Math::sin(horizontalLevel) * verticalLevel);
|
|
unitCirclePosition.y = CAMERA_Y;
|
|
unitCirclePosition.z = (Math::cos(horizontalLevel) * verticalLevel);
|
|
}
|
|
|
|
/** Rotate camera around 3D object */
|
|
void Camera::followBy(Mesh &t_mesh)
|
|
{
|
|
position.x = unitCirclePosition.x + t_mesh.position.x;
|
|
position.y = unitCirclePosition.y + t_mesh.position.y;
|
|
position.z = unitCirclePosition.z + t_mesh.position.z;
|
|
|
|
if (position.x > (-0.04F * verticalLevel) &&
|
|
position.x < 0.0F &&
|
|
position.z > (0.998F * verticalLevel))
|
|
{
|
|
// TODO
|
|
// position.x = 0.0F;
|
|
// position.y = 0.0F;
|
|
// position.z = 0.0F;
|
|
// horizontalLevel = 0.0F;
|
|
}
|
|
}
|