Transformable.cpp

Go to the documentation of this file.

/*
   Copyright 2022 Rishi Challa
 
   Licensed under the Apache License, Version 2.0 (the "License");
   you may not use this file except in compliance with the License.
   You may obtain a copy of the License at
 
       http://www.apache.org/licenses/LICENSE-2.0
 
   Unless required by applicable law or agreed to in writing, software
   distributed under the License is distributed on an "AS IS" BASIS,
   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   See the License for the specific language governing permissions and
   limitations under the License.
*/
 
#include "Transformable.hpp"
 
using namespace Kale;
 
void Transformable::updateTransform(float deltaTime) {
    // Update the Transform based on the FSM if applicable
    if (!transformFSM.has_value()) return;
 
    // Update the state
    transformFSM->updateState(deltaTime);
 
    // Clear the transform
    stateTransform = Transform({
        0.0f, 0.0f, 0.0f,
        0.0f, 0.0f, 0.0f,
        0.0f, 0.0f, 0.0f
    });
 
    // Loop through the composition & lerp between states as applicable
    for (std::pair<int, float> composition : transformFSM->getStateComposition<int>())
        *stateTransform += transformFSM->getStructure<int>(composition.first) * composition.second;
}
 
Transform Transformable::getFullTransform() const {
    if (!transformFSM.has_value()) return transform;
    return transform * (*stateTransform);
}