void Camera::Update()
{
if(Input::keys[Input::KEY_W])
{
cameraPosition -= moveSpeed * forwardVector;
UpdateCameraVectors();
}
if(Input::keys[Input::KEY_S])
{
cameraPosition += moveSpeed * forwardVector;
UpdateCameraVectors();
}
if(Input::keys[Input::KEY_A])
{
cameraRotation.y += rotationSpeed;
UpdateCameraVectors();
}
if(Input::keys[Input::KEY_D])
{
cameraRotation.y -= rotationSpeed;
UpdateCameraVectors();
}
if(Input::keys[Input::KEY_E])
{
cameraPosition.y += .1f;
}
if(Input::keys[Input::KEY_C] && cameraPosition.y > 1.0)
{
cameraPosition.y -= .1f;
}
viewMatrix = glm::lookAt(cameraPosition, cameraPosition-cameraForward, worldUp);
}
Camera::Camera(float fov, int width, int height, float zNear, float zFar)
{
projectionMatrix = glm::perspective(fov, (float)width/(float)height, zNear, zFar);
cameraRotation = glm::vec3(0.0);
cameraPosition = glm::vec3(0.0, 1.0, 3.0);
worldUp = glm::vec3(0.0, 1.0, 0.0);
UpdateCameraVectors();
viewMatrix = glm::lookAt(cameraPosition, cameraPosition-cameraForward, worldUp);
moveSpeed = .005f;
rotationSpeed = 0.05f;
}
void Camera::MoveCameraPosition(Camera_Movement direction, GLfloat dt)
{
GLfloat velocity = this->cameraProperties.translationSpeed * dt;
if (direction == FORWARD)
this->cameraProperties.position += this->cameraProperties.front * velocity;
if (direction == BACKWARD)
this->cameraProperties.position -= this->cameraProperties.front * velocity;
if (direction == LEFT)
this->cameraProperties.position -= this->cameraProperties.right * velocity;
if (direction == RIGHT)
this->cameraProperties.position += this->cameraProperties.right * velocity;
UpdateCameraVectors();
}
void Camera::ChangeViewAngle(GLfloat xOffset, GLfloat yOffset, GLboolean constrainPitch)
{
xOffset *= this->cameraProperties.angleSensitivity;
yOffset *= this->cameraProperties.angleSensitivity;
this->cameraProperties.yaw += xOffset;
this->cameraProperties.pitch += yOffset;
if (constrainPitch)
{
if (this->cameraProperties.pitch > 89.0f)
{
this->cameraProperties.pitch = 89.0f;
}
if (this->cameraProperties.pitch < -89.0f)
{
this->cameraProperties.pitch = -89.0f;
}
}
UpdateCameraVectors();
}
Camera::Camera() {
UpdateCameraVectors();
}
