mirror of
https://github.com/thorvg/thorvg.git
synced 2025-06-19 14:31:39 +00:00
99 lines
No EOL
3.2 KiB
C++
99 lines
No EOL
3.2 KiB
C++
/*
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* Copyright (c) 2025 the ThorVG project. All rights reserved.
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#include <vector>
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#include "Example.h"
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/************************************************************************/
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/* ThorVG Drawing Contents */
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/************************************************************************/
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struct UserExample : tvgexam::Example
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{
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struct Particle {
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tvg::Shape* shape;
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float x, y;
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float speed;
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};
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const float COUNT = 1200.0f;
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std::vector<Particle> rects;
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uint32_t w, h;
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bool content(tvg::Canvas* canvas, uint32_t w, uint32_t h) override
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{
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if (!canvas) return false;
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srand(100);
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auto city = tvg::Picture::gen();
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city->load(EXAMPLE_DIR"/image/particle.jpg");
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canvas->push(city);
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auto night = tvg::Shape::gen();
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night->appendRect(0, 0, w, h);
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night->fill(0, 0, 0, 220);
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canvas->push(night);
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//rain drops
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auto size = w / COUNT;
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rects.reserve(COUNT);
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for (int i = 0; i < COUNT; ++i) {
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auto shape = tvg::Shape::gen();
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float x = size * i;
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rects.push_back({shape, x, float(rand()%h), 10 + float(rand() % 100) * 0.1f});
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shape->appendRect(0, 0, 1, rand() % 15 + size);
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shape->fill(255, 255, 255, 55 + rand() % 100);
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canvas->push(shape);
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}
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this->w = w;
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this->h = h;
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return true;
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}
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bool update(tvg::Canvas* canvas, uint32_t elapsed) override
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{
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if (!canvas) return false;
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for (auto& p : rects) {
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p.y += p.speed;
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if (p.y > h) {
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p.y -= h;
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}
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p.shape->translate(p.x, p.y);
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}
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canvas->update();
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return true;
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}
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};
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/************************************************************************/
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/* Entry Point */
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/************************************************************************/
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int main(int argc, char **argv)
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{
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return tvgexam::main(new UserExample, argc, argv, false, 2440, 1280, 0, true);
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} |