2018-05-12 15:37:46 +00:00
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//--------------------------------------------------------------------------
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// This code is modified from the following Adafruit tutorial: https://learn.adafruit.com/animated-led-sand/overview
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/*
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This code is modified from the following Adafruit tutorial: https://learn.adafruit.com/animated-led-sand/overview
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This program shows an upvote arrow 3 times then on the 4th it breaks into particles that will move based on accelerometer readings.
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*/
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#include <Wire.h> // For I2C communication
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#include <SPI.h>
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#include <Adafruit_GFX.h>
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#include <Adafruit_DotStarMatrix.h>
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#include <Adafruit_DotStar.h>
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#include <ArduinoJson.h>
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#include "I2Cdev.h"
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#include "MPU6050.h"
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MPU6050 mpu;
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uint8_t upvote[256][3] = {{0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {255, 68, 0}, {255, 68, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {255, 68, 0}, {255, 68, 0}, {255, 68, 0}, {255, 68, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {255, 68, 0}, {255, 68, 0}, {255, 68, 0}, {255, 68, 0}, {255, 68, 0}, {255, 68, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {255, 68, 0}, {255, 68, 0}, {255, 68, 0}, {255, 68, 0}, {255, 68, 0}, {255, 68, 0}, {255, 68, 0}, {255, 68, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {255, 68, 0}, {255, 68, 0}, {255, 68, 0}, {255, 68, 0}, {255, 68, 0}, {255, 68, 0}, {255, 68, 0}, {255, 68, 0}, {255, 68, 0}, {255, 68, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {255, 68, 0}, {255, 68, 0}, {255, 68, 0}, {255, 68, 0}, {255, 68, 0}, {255, 68, 0}, {255, 68, 0}, {255, 68, 0}, {255, 68, 0}, {255, 68, 0}, {255, 68, 0}, {255, 68, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {255, 68, 0}, {255, 68, 0}, {255, 68, 0}, {255, 68, 0}, {255, 68, 0}, {255, 68, 0}, {255, 68, 0}, {255, 68, 0}, {255, 68, 0}, {255, 68, 0}, {255, 68, 0}, {255, 68, 0}, {255, 68, 0}, {255, 68, 0}, {0, 0, 0}, {255, 68, 0}, {255, 68, 0}, {255, 68, 0}, {255, 68, 0}, {255, 68, 0}, {255, 68, 0}, {255, 68, 0}, {255, 68, 0}, {255, 68, 0}, {255, 68, 0}, {255, 68, 0}, {255, 68, 0}, {255, 68, 0}, {255, 68, 0}, {255, 68, 0}, {255, 68, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {255, 68, 0}, {255, 68, 0}, {255, 68, 0}, {255, 68, 0}, {255, 68, 0}, {255, 68, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {255, 68, 0}, {255, 68, 0}, {255, 68, 0}, {255, 68, 0}, {255, 68, 0}, {255, 68, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {255, 68, 0}, {255, 68, 0}, {255, 68, 0}, {255, 68, 0}, {255, 68, 0}, {255, 68, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {255, 68, 0}, {255, 68, 0}, {255, 68, 0}, {255, 68, 0}, {255, 68, 0}, {255, 68, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {255, 68, 0}, {255, 68, 0}, {255, 68, 0}, {255, 68, 0}, {255, 68, 0}, {255, 68, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {255, 68, 0}, {255, 68, 0}, {255, 68, 0}, {255, 68, 0}, {255, 68, 0}, {255, 68, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {255, 68, 0}, {255, 68, 0}, {255, 68, 0}, {255, 68, 0}, {255, 68, 0}, {255, 68, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}};
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int sh[256][3] = {{0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {1, 1, 1}, {2, 2, 2}, {3, 3, 3}, {3, 3, 3}, {2, 2, 2}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {3, 3, 3}, {3, 3, 3}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {22, 22, 22}, {58, 58, 58}, {78, 78, 78}, {86, 86, 86}, {69, 69, 69}, {5, 5, 5}, {1, 1, 1}, {3, 3, 3}, {0, 0, 0}, {2, 2, 2}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {86, 86, 86}, {154, 154, 154}, {114, 114, 114}, {73, 73, 73}, {49, 49, 49}, {40, 40, 40}, {39, 39, 39}, {6, 6, 6}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {93, 93, 93}, {163, 163, 163}, {118, 118, 118}, {65, 65, 65}, {17, 17, 17}, {0, 0, 0}, {0, 0, 0}, {1, 1, 1}, {14, 14, 14}, {52, 52, 52}, {0, 0, 0}, {35, 35, 35}, {0, 0, 0}, {2, 2, 2}, {3, 3, 3}, {2, 2, 2}, {0, 0, 0}, {0, 0, 0}, {30, 30, 30}, {74, 74, 74}, {114, 114, 114}, {122, 122, 122}, {54, 54, 54}, {0, 0, 0}, {21, 21, 21}, {211, 211, 211}, {4, 4, 4}, {174, 174, 174}, {48, 48, 48}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {3, 3, 3}, {2, 2, 2}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {32, 32, 32}, {131, 131, 131}, {108, 108, 108}, {0, 0, 0}, {183, 183, 183}, {38, 38, 38}, {136, 136, 136}, {130, 130, 130}, {41, 41, 41}, {75, 75, 75}, {78, 78, 78}, {0, 0, 0}, {0, 0, 0}, {2, 2, 2}, {0, 0, 0}, {0, 0, 0}, {20, 20, 20}, {51, 51, 51}, {199, 199, 199}, {152, 152, 152}, {199, 199, 199}, {116, 116, 116}, {110, 110, 110}, {193, 193, 193}, {51, 51, 51}, {46, 46, 46}, {25, 25, 25}, {0, 0, 0}, {1, 1, 1}, {0, 0, 0}, {61, 61, 61}, {154, 154, 154}, {123, 123, 123}, {76, 76, 76}, {53, 53, 53}, {173, 173, 173}, {155, 155, 155}, {123, 123, 123}, {0, 0, 0}, {181, 181, 181}, {4, 4, 4}, {0, 0, 0}, {0, 0, 0}, {2, 2, 2}, {0, 0, 0}, {49, 49, 49}, {209, 209, 209}, {32, 32, 32}, {0, 0, 0}, {0, 0, 0}, {117, 117, 117}, {126, 126, 126}, {53, 53, 53}, {135, 135, 135}, {1, 1, 1}, {134, 134, 134}, {63, 63, 63}, {2, 2, 2}, {3, 3, 3}, {1, 1, 1}, {1, 1, 1}, {24, 24, 24}, {124, 124, 124}, {87, 87, 87}, {75, 75, 75}, {126, 126, 126}, {143, 143, 143}, {11, 11, 11}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {53, 53, 53}, {126, 126, 126}, {0, 0, 0}, {3, 3, 3}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {25, 25, 25}, {35, 35, 35}, {24, 24, 24}, {0, 0, 0}, {0, 0, 0}, {2, 2, 2}, {3, 3, 3}, {0, 0, 0}, {0, 0, 0}, {35, 35, 35}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {1, 1, 1}, {2, 2, 2}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {3, 3, 3}, {1, 1, 1}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {1, 1, 1}, {1, 1, 1}, {1, 1, 1}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {1, 1, 1}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}};
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//int N_GRAINS = 0;
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#define N_GRAINS 58 // Number of grains of sand
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#define WIDTH 16 // Display width in pixels
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#define HEIGHT 16 // Display height in pixels
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#define MAX_FPS 45
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#define SCALE 128
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#define WBOUNCE -2
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#define BBOUNCE -2
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#define MAX_X (WIDTH * SCALE - 1)
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#define MAX_Y (HEIGHT * SCALE - 1)
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struct Grain {
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int16_t x, y;
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int16_t vx, vy;
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} grain[N_GRAINS];
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int16_t rax, ray, raz;
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int16_t rgx, rgy, rgz;
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uint32_t prevTime = 0;
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uint8_t backbuffer = 0,
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img[WIDTH * HEIGHT];
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#define DATAPIN 19
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#define CLOCKPIN 18
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#define SHIFTDELAY 30
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2018-06-21 12:17:27 +00:00
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#define BRIGHTNESS 100
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2018-05-12 15:37:46 +00:00
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Adafruit_DotStarMatrix matrix = Adafruit_DotStarMatrix(
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16, 16, DATAPIN, CLOCKPIN,
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DS_MATRIX_TOP + DS_MATRIX_LEFT +
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DS_MATRIX_ROWS + DS_MATRIX_PROGRESSIVE,
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DOTSTAR_BGR);
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void setup(void) {
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uint8_t i, j, bytes;
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Serial.begin(115200);
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Serial.println("Thanks for Backing the PIXO Pixel!");
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delay(300);
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Serial.println("Go check out the build video on my YouTube!");
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delay(300);
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Serial.println("http://youtube.com/seanhodginsfilms");
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#if I2CDEV_IMPLEMENTATION == I2CDEV_ARDUINO_WIRE
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Wire.begin();
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#elif I2CDEV_IMPLEMENTATION == I2CDEV_BUILTIN_FASTWIRE
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Fastwire::setup(400, true);
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#endif
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Serial.println("Initializing I2C devices...");
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mpu.initialize();
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Serial.println("Testing device connections...");
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Serial.println(mpu.testConnection() ? "MPU6050 connection successful" : "MPU6050 connection failed");
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matrix.begin();
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matrix.setBrightness(BRIGHTNESS);
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2018-06-21 12:17:27 +00:00
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screenFlash();
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delay(500);
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screenFlash();
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delay(500);
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2018-05-12 15:37:46 +00:00
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notification();
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notificationhalf();
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memset(img, 0, sizeof(img)); // Clear the img[] array
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int grain_num = 0;
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for (int x = 0; x < 256; x++) {
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if (sh[x][0] > 50) {
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int NX = x % 16;
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int NY = x / 16;
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grain[grain_num].x = (NX * SCALE); // Assign random position within
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grain[grain_num].y = (NY * SCALE);
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grain_num++;
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}
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}
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for (i = 0; i < N_GRAINS; i++) { // For each sand grain...
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img[(grain[i].y / SCALE) * WIDTH + (grain[i].x / SCALE)] = 255; // Mark it
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grain[i].vx = grain[i].vy = 0; // Initial velocity is zero
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}
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}
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void loop() {
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uint32_t t;
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while (((t = micros()) - prevTime) < (1000000L / MAX_FPS));
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prevTime = t;
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backbuffer = 1 - backbuffer; // Swap front/back buffer index
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// Read accelerometer...
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mpu.getMotion6(&rax, &ray, &raz, &rgx, &rgy, &rgz);
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randomSeed(A7);
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int16_t ax = -ray / SCALE, // Transform accelerometer axes
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ay = -rax / SCALE, // to grain coordinate space
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az = abs(raz) / 128; // Random motion factor
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az = (az >= 3) ? 1 : 4 - az; // Clip & invert
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ax -= az; // Subtract motion factor from X, Y
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ay -= az;
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long az2 = az * 2 + 1; // Range of random motion to add back in
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int32_t v2; // Velocity squared
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float v; // Absolute velocity
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for (int i = 0; i < N_GRAINS; i++) {
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grain[i].vx += ax + random(az2); // A little randomness makes
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grain[i].vy += ay + random(az2); // tall stacks topple better!
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v2 = (int32_t)grain[i].vx * grain[i].vx + (int32_t)grain[i].vy * grain[i].vy;
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if (v2 > 65536) { // If v^2 > 65536, then v > SCALE
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v = sqrt((float)v2); // Velocity vector magnitude
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grain[i].vx = (int)(SCALE * (float)grain[i].vx / v); // Maintain heading
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grain[i].vy = (int)(SCALE * (float)grain[i].vy / v); // Limit magnitude
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}
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}
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uint8_t i, bytes, oldidx, newidx, delta;
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int16_t newx, newy;
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// const uint8_t *ptr = remap;
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randomSeed(A7);
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int list[N_GRAINS];
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for (int num = 0; num < N_GRAINS; num++) {
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list[num] = num;
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}
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for (int a = 0; a < N_GRAINS; a++)
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{
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int r = random(a, (N_GRAINS));
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int temp = list[a];
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list[a] = list[r];
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list[r] = temp;
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}
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for (i = 0; i < N_GRAINS; i++) {
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newx = grain[list[i]].x + grain[list[i]].vx;
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newy = grain[list[i]].y + grain[list[i]].vy;
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if (newx > MAX_X) {
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newx = MAX_X;
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grain[list[i]].vx /= WBOUNCE;
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} else if (newx < 0) {
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newx = 0;
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grain[list[i]].vx /= WBOUNCE;
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}
|
|
|
|
|
if (newy > MAX_Y) {
|
|
|
|
|
newy = MAX_Y;
|
|
|
|
|
grain[list[i]].vy /= WBOUNCE;
|
|
|
|
|
} else if (newy < 0) {
|
|
|
|
|
newy = 0;
|
|
|
|
|
grain[list[i]].vy /= WBOUNCE;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
oldidx = (grain[list[i]].y / SCALE) * WIDTH + (grain[list[i]].x / SCALE);
|
|
|
|
|
newidx = (newy / SCALE) * WIDTH + (newx / SCALE);
|
|
|
|
|
if ((oldidx != newidx) &&
|
|
|
|
|
img[newidx]) {
|
|
|
|
|
delta = abs(newidx - oldidx);
|
|
|
|
|
if (delta == 1) {
|
|
|
|
|
newx = grain[list[i]].x;
|
|
|
|
|
grain[list[i]].vx /= BBOUNCE;
|
|
|
|
|
newidx = oldidx;
|
|
|
|
|
} else if (delta == WIDTH) {
|
|
|
|
|
newy = grain[list[i]].y;
|
|
|
|
|
grain[list[i]].vy /= BBOUNCE;
|
|
|
|
|
newidx = oldidx;
|
|
|
|
|
} else {
|
|
|
|
|
|
|
|
|
|
if ((abs(grain[list[i]].vx) - abs(grain[list[i]].vy)) >= 0) {
|
|
|
|
|
newidx = (grain[list[i]].y / SCALE) * WIDTH + (newx / SCALE);
|
|
|
|
|
if (!img[newidx]) {
|
|
|
|
|
newy = grain[list[i]].y;
|
|
|
|
|
grain[list[i]].vy /= BBOUNCE;
|
|
|
|
|
} else {
|
|
|
|
|
newidx = (newy / SCALE) * WIDTH + (grain[list[i]].x / SCALE);
|
|
|
|
|
if (!img[newidx]) {
|
|
|
|
|
newx = grain[list[i]].x;
|
|
|
|
|
grain[list[i]].vx /= BBOUNCE;
|
|
|
|
|
} else {
|
|
|
|
|
newx = grain[list[i]].x;
|
|
|
|
|
newy = grain[list[i]].y;
|
|
|
|
|
grain[list[i]].vx /= BBOUNCE;
|
|
|
|
|
grain[list[i]].vy /= BBOUNCE;
|
|
|
|
|
newidx = oldidx;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
} else {
|
|
|
|
|
newidx = (newy / SCALE) * WIDTH + (grain[list[i]].x / SCALE);
|
|
|
|
|
if (!img[newidx]) {
|
|
|
|
|
newx = grain[list[i]].x;
|
|
|
|
|
grain[list[i]].vy /= BBOUNCE;
|
|
|
|
|
} else {
|
|
|
|
|
newidx = (grain[list[i]].y / SCALE) * WIDTH + (newx / SCALE);
|
|
|
|
|
if (!img[newidx]) {
|
|
|
|
|
newy = grain[list[i]].y;
|
|
|
|
|
grain[list[i]].vy /= BBOUNCE;
|
|
|
|
|
} else {
|
|
|
|
|
newx = grain[list[i]].x;
|
|
|
|
|
newy = grain[list[i]].y;
|
|
|
|
|
grain[list[i]].vx /= BBOUNCE;
|
|
|
|
|
grain[list[i]].vy /= BBOUNCE;
|
|
|
|
|
newidx = oldidx;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
grain[list[i]].x = newx;
|
|
|
|
|
grain[list[i]].y = newy;
|
|
|
|
|
img[oldidx] = 0;
|
|
|
|
|
img[newidx] = 255;
|
|
|
|
|
|
|
|
|
|
}
|
|
|
|
|
matrix.fillScreen(0);
|
|
|
|
|
for (int i = 0; i < N_GRAINS; i++) {
|
|
|
|
|
int x = grain[i].x / SCALE;
|
|
|
|
|
int y = grain[i].y / SCALE;
|
|
|
|
|
matrix.drawPixel(x, y, matrix.Color(150, 150, 150));
|
|
|
|
|
}
|
|
|
|
|
matrix.show();
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
2018-06-21 12:17:27 +00:00
|
|
|
void screenFlash(){
|
|
|
|
|
matrix.fillScreen(matrix.Color(200, 200, 200));
|
|
|
|
|
matrix.show();
|
|
|
|
|
delay(500);
|
|
|
|
|
matrix.fillScreen(0);
|
|
|
|
|
matrix.show();
|
|
|
|
|
}
|
|
|
|
|
|
2018-05-12 15:37:46 +00:00
|
|
|
void notificationhalf() {
|
|
|
|
|
for (int j = 15; j >= 0; j--) {
|
|
|
|
|
matrix.fillScreen(0);
|
|
|
|
|
for (int i = 0; i < 256; i++) {
|
|
|
|
|
matrix.setPixelColor(i + (j * 16), sh[i][0], sh[i][1], sh[i][2]);
|
|
|
|
|
}
|
|
|
|
|
matrix.show();
|
|
|
|
|
delay(15);
|
|
|
|
|
}
|
|
|
|
|
delay(100);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void notification() {
|
|
|
|
|
for (int j = 15; j >= 0; j--) {
|
|
|
|
|
matrix.fillScreen(0);
|
|
|
|
|
for (int i = 0; i < 256; i++) {
|
|
|
|
|
matrix.setPixelColor(i + (j * 16), sh[i][0], sh[i][1], sh[i][2]);
|
|
|
|
|
}
|
|
|
|
|
matrix.show();
|
|
|
|
|
delay(15);
|
|
|
|
|
}
|
|
|
|
|
delay(700);
|
|
|
|
|
for (int j = 0; j >= -16; j--) {
|
|
|
|
|
matrix.fillScreen(0);
|
|
|
|
|
for (int i = 0; i < 256; i++) {
|
|
|
|
|
matrix.setPixelColor(i + (j * 16),sh[i][0], sh[i][1], sh[i][2]);
|
|
|
|
|
}
|
|
|
|
|
matrix.show();
|
|
|
|
|
delay(15);
|
|
|
|
|
}
|
|
|
|
|
delay(500);
|
|
|
|
|
matrix.fillScreen(0);
|
|
|
|
|
matrix.show();
|
|
|
|
|
}
|
|
|
|
|
|
