Files
vimix/UpdateCallback.cpp
2021-08-08 23:58:54 +02:00

131 lines
3.2 KiB
C++

#include "UpdateCallback.h"
#include "defines.h"
#include "Scene.h"
#include "Log.h"
#include <glm/gtc/type_ptr.hpp>
UpdateCallback::UpdateCallback() : enabled_(true), finished_(false)
{
}
CopyCallback::CopyCallback(Node *target) : UpdateCallback(), target_(target)
{
}
void CopyCallback::update(Node *n, float dt)
{
n->copyTransform(target_);
finished_ = true;
}
MoveToCallback::MoveToCallback(glm::vec3 target, float duration) : UpdateCallback(),
duration_(duration), progress_(0.f), initialized_(false), target_(target)
{
}
void MoveToCallback::update(Node *n, float dt)
{
// set start position on first run or upon call of reset()
if (!initialized_){
startingpoint_ = n->translation_;
target_.z = startingpoint_.z; // ignore depth
initialized_ = true;
}
// calculate amplitude of movement
progress_ += dt / duration_;
// perform movement
n->translation_ = startingpoint_ + progress_ * (target_ - startingpoint_);
// end of movement
if ( progress_ > 1.f ) {
n->translation_ = target_;
finished_ = true;
}
}
RotateToCallback::RotateToCallback(float target, float duration) : UpdateCallback(),
duration_(duration), progress_(0.f), initialized_(false), startingangle_(0.f), target_(target)
{
}
void RotateToCallback::update(Node *n, float dt)
{
// set start position on first run or upon call of reset()
if (!initialized_){
startingangle_ = n->rotation_.z;
initialized_ = true;
// TODO select direction for shorter animation (CW or CCW)
// Log::Info("starting angle %.2f", startingangle_);
// Log::Info("target_ %.2f", target_);
}
// calculate amplitude of movement
progress_ += dt / duration_;
// perform movement
n->rotation_.z = startingangle_ + progress_ * (target_ - startingangle_);
// end of movement
if ( progress_ > 1.f ) {
n->rotation_.z = target_;
finished_ = true;
}
}
BounceScaleCallback::BounceScaleCallback(float scale) : UpdateCallback(),
duration_(100.f), progress_(0.f), initialized_(false), scale_(scale)
{
}
void BounceScaleCallback::update(Node *n, float dt)
{
// set start scale on first run or upon call of reset()
if (!initialized_){
initial_scale_ = n->scale_;
initialized_ = true;
}
// calculate amplitude of movement
progress_ += dt / duration_;
n->scale_.x = initial_scale_.x + (initial_scale_.x * scale_) * sin(M_PI * progress_);
n->scale_.y = initial_scale_.y + (initial_scale_.y * scale_) * sin(M_PI * progress_);
// end of movement
if ( progress_ > 1.f) {
n->scale_ = initial_scale_;
finished_ = true;
}
}
InfiniteGlowCallback::InfiniteGlowCallback(float amplitude) : UpdateCallback(),
amplitude_(amplitude), time_(0.f), initialized_(false)
{
}
void InfiniteGlowCallback::update(Node *n, float dt)
{
// set start scale on first run
if (!initialized_){
initial_scale_ = n->scale_;
initialized_ = true;
}
time_ += dt / 600.f;
n->scale_.x = initial_scale_.x + amplitude_ * sin(M_PI * time_);
n->scale_.y = initial_scale_.y + amplitude_ * sin(M_PI * time_);
}