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pixopixel/FIRMWARE/PIXO_SH_ParticlePhysics/PIXO_SH_ParticlePhysics.ino
hodginsa 218800df16 Programs added
2018-06-21 08:17:27 -04:00

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//--------------------------------------------------------------------------
// This code is modified from the following Adafruit tutorial: https://learn.adafruit.com/animated-led-sand/overview
/*
This code is modified from the following Adafruit tutorial: https://learn.adafruit.com/animated-led-sand/overview
This program shows an upvote arrow 3 times then on the 4th it breaks into particles that will move based on accelerometer readings.
*/
#include <Wire.h> // For I2C communication
#include <SPI.h>
#include <Adafruit_GFX.h>
#include <Adafruit_DotStarMatrix.h>
#include <Adafruit_DotStar.h>
#include <ArduinoJson.h>
#include "I2Cdev.h"
#include "MPU6050.h"
MPU6050 mpu;
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}};
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}};
//int N_GRAINS = 0;
#define N_GRAINS 58 // Number of grains of sand
#define WIDTH 16 // Display width in pixels
#define HEIGHT 16 // Display height in pixels
#define MAX_FPS 45
#define SCALE 128
#define WBOUNCE -2
#define BBOUNCE -2
#define MAX_X (WIDTH * SCALE - 1)
#define MAX_Y (HEIGHT * SCALE - 1)
struct Grain {
int16_t x, y;
int16_t vx, vy;
} grain[N_GRAINS];
int16_t rax, ray, raz;
int16_t rgx, rgy, rgz;
uint32_t prevTime = 0;
uint8_t backbuffer = 0,
img[WIDTH * HEIGHT];
#define DATAPIN 19
#define CLOCKPIN 18
#define SHIFTDELAY 30
#define BRIGHTNESS 100
Adafruit_DotStarMatrix matrix = Adafruit_DotStarMatrix(
16, 16, DATAPIN, CLOCKPIN,
DS_MATRIX_TOP + DS_MATRIX_LEFT +
DS_MATRIX_ROWS + DS_MATRIX_PROGRESSIVE,
DOTSTAR_BGR);
void setup(void) {
uint8_t i, j, bytes;
Serial.begin(115200);
Serial.println("Thanks for Backing the PIXO Pixel!");
delay(300);
Serial.println("Go check out the build video on my YouTube!");
delay(300);
Serial.println("http://youtube.com/seanhodginsfilms");
#if I2CDEV_IMPLEMENTATION == I2CDEV_ARDUINO_WIRE
Wire.begin();
#elif I2CDEV_IMPLEMENTATION == I2CDEV_BUILTIN_FASTWIRE
Fastwire::setup(400, true);
#endif
Serial.println("Initializing I2C devices...");
mpu.initialize();
Serial.println("Testing device connections...");
Serial.println(mpu.testConnection() ? "MPU6050 connection successful" : "MPU6050 connection failed");
matrix.begin();
matrix.setBrightness(BRIGHTNESS);
screenFlash();
delay(500);
screenFlash();
delay(500);
notification();
notificationhalf();
memset(img, 0, sizeof(img)); // Clear the img[] array
int grain_num = 0;
for (int x = 0; x < 256; x++) {
if (sh[x][0] > 50) {
int NX = x % 16;
int NY = x / 16;
grain[grain_num].x = (NX * SCALE); // Assign random position within
grain[grain_num].y = (NY * SCALE);
grain_num++;
}
}
for (i = 0; i < N_GRAINS; i++) { // For each sand grain...
img[(grain[i].y / SCALE) * WIDTH + (grain[i].x / SCALE)] = 255; // Mark it
grain[i].vx = grain[i].vy = 0; // Initial velocity is zero
}
}
void loop() {
uint32_t t;
while (((t = micros()) - prevTime) < (1000000L / MAX_FPS));
prevTime = t;
backbuffer = 1 - backbuffer; // Swap front/back buffer index
// Read accelerometer...
mpu.getMotion6(&rax, &ray, &raz, &rgx, &rgy, &rgz);
randomSeed(A7);
int16_t ax = -ray / SCALE, // Transform accelerometer axes
ay = -rax / SCALE, // to grain coordinate space
az = abs(raz) / 128; // Random motion factor
az = (az >= 3) ? 1 : 4 - az; // Clip & invert
ax -= az; // Subtract motion factor from X, Y
ay -= az;
long az2 = az * 2 + 1; // Range of random motion to add back in
int32_t v2; // Velocity squared
float v; // Absolute velocity
for (int i = 0; i < N_GRAINS; i++) {
grain[i].vx += ax + random(az2); // A little randomness makes
grain[i].vy += ay + random(az2); // tall stacks topple better!
v2 = (int32_t)grain[i].vx * grain[i].vx + (int32_t)grain[i].vy * grain[i].vy;
if (v2 > 65536) { // If v^2 > 65536, then v > SCALE
v = sqrt((float)v2); // Velocity vector magnitude
grain[i].vx = (int)(SCALE * (float)grain[i].vx / v); // Maintain heading
grain[i].vy = (int)(SCALE * (float)grain[i].vy / v); // Limit magnitude
}
}
uint8_t i, bytes, oldidx, newidx, delta;
int16_t newx, newy;
// const uint8_t *ptr = remap;
randomSeed(A7);
int list[N_GRAINS];
for (int num = 0; num < N_GRAINS; num++) {
list[num] = num;
}
for (int a = 0; a < N_GRAINS; a++)
{
int r = random(a, (N_GRAINS));
int temp = list[a];
list[a] = list[r];
list[r] = temp;
}
for (i = 0; i < N_GRAINS; i++) {
newx = grain[list[i]].x + grain[list[i]].vx;
newy = grain[list[i]].y + grain[list[i]].vy;
if (newx > MAX_X) {
newx = MAX_X;
grain[list[i]].vx /= WBOUNCE;
} else if (newx < 0) {
newx = 0;
grain[list[i]].vx /= WBOUNCE;
}
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();
}
void screenFlash(){
matrix.fillScreen(matrix.Color(200, 200, 200));
matrix.show();
delay(500);
matrix.fillScreen(0);
matrix.show();
}
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();
}
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