colobot/colobot-base/ui/particles_generator.cpp

59 lines
2.2 KiB
C++

/*
* This file is part of the Colobot: Gold Edition source code
* Copyright (C) 2001-2023, Daniel Roux, EPSITEC SA & TerranovaTeam
* http://epsitec.ch; http://colobot.info; http://github.com/colobot
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see http://gnu.org/licenses
*/
#include "ui/particles_generator.h"
#include "graphics/engine/engine.h"
#include "graphics/engine/particle.h"
#include "math/func.h"
namespace UI
{
CParticlesGenerator::CParticlesGenerator()
{
m_particleManager = Gfx::CEngine::GetInstancePointer()->GetParticle();
}
void CParticlesGenerator::GenerateMouseParticles(const glm::vec2& mousePosition, bool buttonPressed)
{
Gfx::ParticleType particleType = buttonPressed ? Gfx::ParticleType::PARTISCRAPS : Gfx::ParticleType::PARTILENS1;
m_particleManager->CreateParticle(glm::vec3(mousePosition.x, mousePosition.y, 0), CreateRandomSpeedForMouseParticles(),
CreateRandomDimensionsForMouseParticles(buttonPressed), particleType,
CreateRandomDurationForMouseParticles(), 2.0f, 0.0f, Gfx::SH_INTERFACE);
}
glm::vec2 CParticlesGenerator::CreateRandomDimensionsForMouseParticles(bool buttonPressed)
{
float dimensionX = buttonPressed ? (0.005f + Math::Rand() * 0.005f) : (0.01f + Math::Rand() * 0.01f);
return { dimensionX, dimensionX / 0.75f };
}
glm::vec3 CParticlesGenerator::CreateRandomSpeedForMouseParticles()
{
return glm::vec3((Math::Rand() - 0.5f) * 0.5f, 0.3f + Math::Rand() * 0.3f, 0.0f);
}
float CParticlesGenerator::CreateRandomDurationForMouseParticles()
{
return Math::Rand() * 0.5f + 0.5f;
}
}