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add overlay

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This commit is contained in:
Felix Pankratz 2024-12-10 20:05:32 +01:00
parent 79586fbc66
commit d5879e10b3
2 changed files with 39 additions and 10 deletions
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30
organism/src/main.cpp
View File

@ -3,6 +3,7 @@
#include <ESP32-HUB75-MatrixPanel-I2S-DMA.h>
#include "main.h"
#include "overlay.h"
#define R1 42
#define G1 40
@ -57,6 +58,16 @@ void init_attractant() {
// int y = 15 + round(10 * cos(angle));
// attractant[x][y] = 15.0;
//}
// draw a bitmap
//for(int x = 0; x < PANEL_WIDTH; x++) {
// for(int y = 0; y < PANEL_HEIGHT; y++) {
// int pixel_num = (y * PANEL_WIDTH) + x;
// if(overlay[ pixel_num / 8 ] & (1 << (7 - (pixel_num % 8)) ) ){
// attractant[x][y] = 15.0;
// }
// }
//}
}
void init_agents() {
@ -150,16 +161,17 @@ void setupGaussianKernel(float* kernel, int width, float sigma) {
#define GAUSS_WIDTH 5
#define GAUSS_SIGMA 1.0
#define DECAY_FACTOR 0.95
#define DECAY_FACTOR 0.9
float first_pass[PANEL_WIDTH][PANEL_HEIGHT];
void gaussian_blur() {
float kernel[GAUSS_WIDTH];
uint8_t first_pass[PANEL_WIDTH][PANEL_HEIGHT];
memset(first_pass, (uint8_t) 0, sizeof first_pass);
// first_pass[PANEL_WIDTH][PANEL_HEIGHT];
memset(first_pass, 0.0, sizeof first_pass);
setupGaussianKernel(kernel, GAUSS_WIDTH, GAUSS_SIGMA);
// horizontal pass
for (int x = 0; x < PANEL_WIDTH; x++) {
for(int y = 0; y < PANEL_HEIGHT; y++) {
float sum = attractant[x][y] * kernel[0]; //0.0;
float sum = attractant[x][y] * DECAY_FACTOR * kernel[0]; //0.0;
int additions = 1;
for (int x_offset = 1; x_offset < GAUSS_WIDTH; x_offset++) {
if (is_in_bounds(x+x_offset, y)) {
@ -171,7 +183,7 @@ void gaussian_blur() {
additions++;
}
}
first_pass[x][y] = (int) round(sum/GAUSS_WIDTH * DECAY_FACTOR);
first_pass[x][y] = sum/GAUSS_WIDTH;
}
}
// vertical pass
@ -189,13 +201,12 @@ void gaussian_blur() {
additions++;
}
}
attractant[x][y] = (sum/GAUSS_WIDTH) * DECAY_FACTOR;
attractant[x][y] = sum/GAUSS_WIDTH;
}
}
}
#define BLUR_KERNEL_SIZE 3
float first_pass[PANEL_WIDTH][PANEL_HEIGHT];
void box_blur() {
//Serial.println("memset: starting");
memset(first_pass, 0.0, sizeof first_pass);
@ -204,7 +215,7 @@ void box_blur() {
for (int x = 0; x < PANEL_WIDTH; x++) {
for(int y = 0; y < PANEL_HEIGHT; y++) {
float sum;
sum = attractant[x][y]; //0.0;
sum = attractant[x][y] * DECAY_FACTOR; //0.0;
int additions = 1;
for (int x_offset = 1; x_offset < BLUR_KERNEL_SIZE; x_offset++) {
if (is_in_bounds(x+x_offset, y)) {
@ -238,13 +249,13 @@ void box_blur() {
float result = (sum/additions); // * DECAY_FACTOR;
//Serial.printf("result: %f", result); //additions: %d\n", sum, additions);
attractant[x][y] = (((8.0*attractant[x][y]) + result) / 9.0);
attractant[x][y] = attractant[x][y] * DECAY_FACTOR;
}
}
}
void loop() {
matrix ->flipDMABuffer();
delay(10);
//matrix->clearScreen();
matrix->fillScreenRGB888(15, 0, 10);
@ -289,7 +300,6 @@ void loop() {
agents[a].heading += AGENT_ANGLE * (PI * 2);
}
}
delay(10);
iterations++;
if (iterations > 64 && iterations % 64 == 0) { // (( == 0) {
//gaussian_blur();

19
organism/src/overlay.h Normal file
View File

@ -0,0 +1,19 @@
const unsigned char overlay [] PROGMEM = {
// 'bw2, 64x32px
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1c, 0x00, 0x00,
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0x01, 0xff, 0x00, 0x00, 0x00, 0x1c, 0x03, 0x80, 0x01, 0xc7, 0x80, 0x00, 0x00, 0x1c, 0x00, 0x00,
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0x01, 0xc3, 0x8f, 0xe1, 0xff, 0x1c, 0x73, 0x80, 0x01, 0xc3, 0x88, 0x71, 0xe7, 0x1c, 0xe3, 0x80,
0x01, 0xc3, 0x80, 0x71, 0xc3, 0x9d, 0xe3, 0x80, 0x01, 0xff, 0x00, 0x71, 0xc3, 0x9d, 0xc3, 0x80,
0x01, 0xff, 0x03, 0xf1, 0xc3, 0x9f, 0x83, 0x80, 0x01, 0xfc, 0x0f, 0xf1, 0xc3, 0x9f, 0xc3, 0x80,
0x01, 0xc0, 0x1f, 0x71, 0xc3, 0x9f, 0xc3, 0x80, 0x01, 0xc0, 0x3c, 0x71, 0xc3, 0x9d, 0xe3, 0x80,
0x01, 0xc0, 0x38, 0x71, 0xc3, 0x9c, 0xe3, 0x80, 0x01, 0xc0, 0x38, 0x71, 0xc3, 0x9c, 0xf3, 0x80,
0x01, 0xc0, 0x1c, 0xf1, 0xc3, 0x9c, 0x73, 0x80, 0x01, 0xc0, 0x1f, 0xf1, 0xc3, 0x9c, 0x7b, 0x80,
0x01, 0xc0, 0x0f, 0xb1, 0x83, 0x9c, 0x3b, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};