// SPDX-License-Identifier: CC-BY-SA-4.0 // Pattern: 0515-4 // Author: Seunghun LEE // Lineage: AI generated and curated // Generated from web/src/lib/presets/pattern-0515-4.ts // #pragma once #include #include #include "../config.h" #include "../src/core_display.h" #include "../src/core_encoders.h" #include "../src/core_canvas.h" #include "../src/core_math.h" #include "../src/core_color.h" #include "../src/core_noise.h" namespace Pattern05154 { const char* NAME = "0515-4"; const char* const KNOB_LABELS[4] = {"Knob 1", "Knob 2", "Knob 3", "Knob 4"}; struct Params { float rawKnob0 = 0.0f; float rawKnob1 = 2.0f; float rawKnob2 = 0.0f; float rawKnob3 = 0.06f; float k1 = 0.0f; float k2 = 0.0f; float k3 = 0.0f; float k4 = 0.0f; float timeAcc = 0.0f; }; Params params; // Pattern: 0515-4 // Author: Seunghun LEE // SPDX-License-Identifier: CC-BY-SA-4.0 // Date: 2026-05-15 // Lineage: AI generated and curated // // Knob 1 (0-1): Grid complexity (size of cells) // Knob 2 (0.1-10): Mechanical oscillation speed // Knob 3 (0-4.9): Joint thickness (gear tooth size) // Knob 4 (0-1): Sharpness vs inner fill brightness void setup() { PFMath::buildSinLUT(); params.rawKnob0 = 0.0f; params.rawKnob1 = 2.0f; params.rawKnob2 = 0.0f; params.rawKnob3 = 0.06f; params.k1 = 0; params.k2 = 2; params.k3 = 0; params.k4 = 0.06f; params.timeAcc = 0; } void update(float dt, const InputFrame& input) { params.rawKnob0 += input.knobDeltas[0] * 0.05f; if (params.rawKnob0 < 0.0f) params.rawKnob0 += 1.0f; params.rawKnob0 = fmodf(params.rawKnob0, 1.0f); params.rawKnob1 = constrain(params.rawKnob1 + input.knobDeltas[1] * 0.1f, 0.1f, 10.0f); params.rawKnob2 = constrain(params.rawKnob2 + input.knobDeltas[2] * 0.05f, 0.0f, 4.9f); params.rawKnob3 += input.knobDeltas[3] * 0.05f; if (params.rawKnob3 < 0.0f) params.rawKnob3 += 1.0f; params.rawKnob3 = fmodf(params.rawKnob3, 1.0f); const float knobs[4] = { params.rawKnob0, params.rawKnob1, params.rawKnob2, params.rawKnob3 }; if (true) { params.k1 = knobs[0]; params.k2 = knobs[1]; params.k3 = knobs[2]; params.k4 = knobs[3]; } params.timeAcc += dt * params.k2; } void draw() {const float knobs[4] = { params.rawKnob0, params.rawKnob1, params.rawKnob2, params.rawKnob3 }; float time = params.timeAcc; float w = PANEL_RES_W; float h = PANEL_RES_H; float t = params.timeAcc; int cellSize = floorf(8 + params.k1 * 16); float thickness = 1.0f + params.k3; float fillBright = params.k4; for (int y = 0; y < h; y++) { for (int x = 0; x < w; x++) { int gx = floorf(x / cellSize); int gy = floorf(y / cellSize); float lx = (fmodf((float)(x), (float)(cellSize))) - cellSize * 0.5f; float ly = (fmodf((float)(y), (float)(cellSize))) - cellSize * 0.5f; // Checkerboard phase offset causes adjacent cells to "spin" inversely float isEven = fmodf((float)((gx + gy)), (float)(2.0f)) == 0; float phase = isEven ? t * 2.0f : -t * 2.0f; // Simulated rotation via coordinate transform float rx = lx * PFMath::fastCos(phase) - ly * PFMath::fastSin(phase); float ry = lx * PFMath::fastSin(phase) + ly * PFMath::fastCos(phase); // SDF Cross / Gear shape float crossDist = min(abs(rx), abs(ry)); float boundary = max(abs(rx), abs(ry)); uint8_t r = 0, g = 0, b = 0; // Color logic: High contrast mechanic. Edges are pure white, fills are solid if (boundary < cellSize * 0.45f && crossDist < thickness) { // Inner edge highlight if (abs(crossDist - thickness) < 0.8f) { r = 255; g = 255; b = 255; } else { // Inner fill float localHue = isEven ? 0.05f : 0.55f; // Orange vs Cyan checkerboard uint8_t c_r, c_g, c_b; PFColor::hsvToRgb(localHue, 0.9f, fillBright + 0.2f, c_r, c_g, c_b); r = c_r; g = c_g; b = c_b; } } else if (boundary > cellSize * 0.45f && boundary < cellSize * 0.5f) { // Outer mechanical housing boundary uint8_t c_r, c_g, c_b; PFColor::hsvToRgb(0.8f, 0.8f, 0.3f, c_r, c_g, c_b); r = c_r; g = c_g; b = c_b; } PFCanvas::setPixel(x, y, r, g, b); } } PFCanvas::present(); } } // namespace Pattern05154

Pattern 0515-4

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