38 lines
1.5 KiB
C++
38 lines
1.5 KiB
C++
// Copyright 2020 Google LLC.
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// Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
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#include "tools/fiddle/examples.h"
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REG_FIDDLE_ANIMATED(Octopus_Generator_Animated, 256, 256, false, 0, 4) {
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void paintOctopus(int x, int y, int size_base, SkColor color, SkCanvas* canvas) {
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SkPaint paint;
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paint.setAntiAlias(true);
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paint.setColor(color);
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int radius = 3*size_base;
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canvas->drawCircle(x, y, radius, paint);
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for (int leg = 0; leg < 8; ++leg) {
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canvas->drawCircle(x - radius + (2*radius/7.5*leg),
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y + radius - pow(abs(4-leg), 2), size_base/2 + 2, paint);
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}
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paint.setColor(SkColorSetRGB(std::min(255u, SkColorGetR(color) + 20),
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std::min(255u, SkColorGetG(color) + 20),
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std::min(255u, SkColorGetB(color) + 20)));
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canvas->drawCircle(x-size_base, y+size_base, size_base/2, paint);
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canvas->drawCircle(x+size_base, y+size_base, size_base/2, paint);
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}
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void draw(SkCanvas* canvas) {
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SkRandom rand;
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for (int i = 0; i < 400; ++i) {
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float x = rand.nextRangeScalar(0, 256);
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float y = rand.nextRangeScalar(0, 256);
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float s = rand.nextRangeScalar(6, 12);
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SkColor c = rand.nextU() | SkColorSetARGB(255, 0, 0, 0);
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float radius = rand.nextRangeScalar(0, 40);
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float angle = (rand.nextRangeScalar(0, 1) + frame) * 6.28319;
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x += radius * cos(angle);
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y += radius * sin(angle);
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paintOctopus(x, y, s, c, canvas);
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}
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}
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} // END FIDDLE
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