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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="utf-8">
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<script src="https://cdnjs.cloudflare.com/ajax/libs/p5.js/0.9.0/p5.min.js" type="text/javascript"></script>
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<script src="https://code.jquery.com/jquery-3.6.4.min.js" type="text/javascript"></script>
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<script src="https://unpkg.com/vue@3/dist/vue.global.prod.js"></script>
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<script src="data/scripts/js/main.js" type="text/javascript"></script>
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<link href="styles.css" rel="stylesheet">
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<link href="data/styles/range_input.css" rel="stylesheet">
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<title>Pendulum</title>
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</head>
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<body>
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<div id="p5_loading"></div>
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<div id="content">
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<div id="options">
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<fieldset id="preparation">
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<legend>Add Pendula</legend>
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<label>
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Segments: {{ segmentCount }}
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<input type="range" v-model.number="segmentCount" min="1" max="30" step="1">
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</label>
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<div id="segment_view">
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<span id="segment_header_mass">Mass</span><span id="segment_header_length">Length</span>
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<template v-for="i in segmentCount">
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<span class="segment_label">({{ i - 1 }})</span>
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<span class="segment_label">{{ masses[i - 1] }}kg</span>
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<input type="range" v-model.number="masses[i - 1]" min="0.1" max="10" step=".1">
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<span class="segment_label">{{ $filters.round(lengths[i - 1], 1) }}m</span>
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<input type="range" v-model.number="lengths[i - 1]" min="0.1" max="10" step=".1">
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</template>
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</div>
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<div class="horizontal_group">
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<button class="reset_btn" @click="resetMasses" title="Reset masses to 1"></button>
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<button id="normalize_btn" @click="normalize" title="Normalize lengths to fit screen"></button>
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<button class="reset_btn" @click="resetLengths" title="Reset lengths to 1"></button>
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</div>
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<label>
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Starting Angle: {{startAngle}}°
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<input type="range" v-model.number="startAngle" min="0" max="360" step="1">
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</label>
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<label v-show="!multiple || !rainbow">
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Color:
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<input type="color" v-model="color">
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</label>
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<label>
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<input type="checkbox" v-model="multiple">
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Add multiple
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</label>
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<template v-if="multiple">
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<label>
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<input type="checkbox" v-model="rainbow">
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Use rainbow coloring
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</label>
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<label>
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Count: {{pendulumCount}}
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<input type="range" v-model.number="pendulumCount" min="10" max="250" step="10">
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</label>
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<span>Property to change slightly:</span>
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<label>
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<input type="radio" value="angle" v-model="changeProperty">
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Starting Angle
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</label>
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<label>
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<input type="radio" value="mass" v-model="changeProperty">
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Specific Mass
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</label>
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<label>
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<input type="radio" value="length" v-model="changeProperty">
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Specific Length
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</label>
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<label v-show="changeProperty === 'mass' || changeProperty === 'length'">
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Index: {{ changeIndex }}
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<input type="range" v-model.number="changeIndex" min="0" :max="segmentCount - 1" step="1">
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</label>
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<label>
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Change Amount: {{ $filters.round(changeAmount * 100, 3) }}%
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<input type="range" v-model.number="changeAmount" min="0.00001" max="0.001" step="0.00001">
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</label>
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</template>
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<div class="horizontal_group">
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<button @click="add" id="add_btn" :title="'Add configured ' + (multiple ? 'pendula' : 'pendulum')"></button>
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<button @click="deleteAll" id="delete_btn" title="Delete all pendula"></button>
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</div>
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</fieldset>
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<fieldset id="simulation">
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<legend>Simulation</legend>
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<label>
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Gravity: {{ gravity }} <sup>N</sup>⁄<sub>kg</sub>
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<input type="range" v-model.number="gravity" min="0" max="30" step=".01">
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</label>
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<label>
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Timescale: x{{ timescale }}
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<input type="range" v-model.number="timescale" min="0.01" max="3" step=".01">
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</label>
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<label>
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PBD Substeps: {{ subSteps }}
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<input type="range" v-model.number="subSteps" min="1" max="100" step="1">
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</label>
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<div class="horizontal_group">
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<button class="reset_btn" @click="resetSimulationControls" title="Reset simulation controls"></button>
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<button @click="togglePlay" id="play_btn" :class="playingBtn" title="Pause/Resume simulation"></button>
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</div>
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</fieldset>
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<a href="https://git.benjamin-kraft.eu/benjamin/Pendulum/releases/latest">Faster Native Desktop App</a>
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</div>
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<div id="canvas_holder"></div>
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</div>
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</body>
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</html>
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