💿🐜 Antkeeper source code
https://antkeeper.com
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80 lines
2.0 KiB
80 lines
2.0 KiB
/*
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* Copyright (C) 2017 Christopher J. Howard
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*
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* This file is part of Antkeeper Source Code.
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*
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* Antkeeper Source Code is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Antkeeper Source Code is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Antkeeper Source Code. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "debug.hpp"
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#include <iostream>
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LineBatcher::LineBatcher(std::size_t lineCount):
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lineCount(lineCount),
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currentLine(0),
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width(1.0f),
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color(1.0f)
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{
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batch.resize(lineCount);
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range = batch.addRange();
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range->material = &material;
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material.color = Vector3(1.0f);
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}
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void LineBatcher::begin()
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{
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currentLine = 0;
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range->start = 0;
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range->length = 0;
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}
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void LineBatcher::end()
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{
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range->length = currentLine;
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batch.update();
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}
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void LineBatcher::draw(const Vector3& start, const Vector3& end)
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{
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if (currentLine >= batch.getBillboardCount())
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{
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std::cout << "LineBatcher::draw(): maximum line count exceeded" << std::endl;
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return;
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}
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Vector3 center = (start + end) * 0.5f;
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float length = glm::length(end - start);
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Vector3 forward = glm::normalize(end - start);
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glm::quat rotation = glm::normalize(glm::rotation(Vector3(1, 0, 0), forward));
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Billboard* billboard = batch.getBillboard(currentLine);
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billboard->setTranslation(center);
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billboard->setDimensions(Vector2(length, width));
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billboard->setRotation(rotation);
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billboard->setTintColor(color);
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++currentLine;
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}
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void LineBatcher::setWidth(float width)
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{
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this->width = width;
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}
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void LineBatcher::setColor(const Vector4& color)
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{
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this->color = color;
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}
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