/* ============================================================================== This file is part of the JUCE library. Copyright (c) 2017 - ROLI Ltd. JUCE is an open source library subject to commercial or open-source licensing. By using JUCE, you agree to the terms of both the JUCE 5 End-User License Agreement and JUCE 5 Privacy Policy (both updated and effective as of the 27th April 2017). End User License Agreement: www.juce.com/juce-5-licence Privacy Policy: www.juce.com/juce-5-privacy-policy Or: You may also use this code under the terms of the GPL v3 (see www.gnu.org/licenses). JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE DISCLAIMED. ============================================================================== */ #pragma once //============================================================================== /* This file contains a bunch of miscellaneous utilities that are used by the various demos. */ //============================================================================== inline Colour getRandomColour (float brightness) { return Colour::fromHSV (Random::getSystemRandom().nextFloat(), 0.5f, brightness, 1.0f); } inline Colour getRandomBrightColour() { return getRandomColour (0.8f); } inline Colour getRandomDarkColour() { return getRandomColour (0.3f); } inline Colour getUIColourIfAvailable (LookAndFeel_V4::ColourScheme::UIColour uiColour, Colour fallback = Colour (0xff4d4d4d)) { if (auto* v4 = dynamic_cast (&LookAndFeel::getDefaultLookAndFeel())) return v4->getCurrentColourScheme().getUIColour (uiColour); return fallback; } //============================================================================== // This is basically a sawtooth wave generator - maps a value that bounces between // 0.0 and 1.0 at a random speed struct BouncingNumber { BouncingNumber() : speed (0.0004 + 0.0007 * Random::getSystemRandom().nextDouble()), phase (Random::getSystemRandom().nextDouble()) { } float getValue() const { double v = fmod (phase + speed * Time::getMillisecondCounterHiRes(), 2.0); return (float) (v >= 1.0 ? (2.0 - v) : v); } protected: double speed, phase; }; struct SlowerBouncingNumber : public BouncingNumber { SlowerBouncingNumber() { speed *= 0.3; } };