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basic blob

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This commit is contained in:
Felix Pankratz 2024-12-07 19:24:18 +01:00
parent 50de931e8a
commit 91c1bc50f3
1 changed files with 64 additions and 22 deletions
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72
organism/src/main.cpp
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@ -41,6 +41,15 @@ int end_y = 27;
int anchor_x = 16; int anchor_x = 16;
int anchor_y = 24; int anchor_y = 24;
#define BLOB_POINTS 14
#define BLOB_RADIUS 12
typedef struct {
int x_coords[BLOB_POINTS];
int y_coords[BLOB_POINTS];
} Blob;
Blob blob;
void setup(){ void setup(){
Serial.begin(BAUD_RATE); Serial.begin(BAUD_RATE);
pinMode(ONBOARD_LED, OUTPUT); pinMode(ONBOARD_LED, OUTPUT);
@ -62,6 +71,15 @@ void setup(){
matrix->begin(); matrix->begin();
matrix->setBrightness8(64); matrix->setBrightness8(64);
matrix->fillScreenRGB888(0, 0, 0); matrix->fillScreenRGB888(0, 0, 0);
for(int i = 0; i < BLOB_POINTS; i++) {
//float angle = (360 / BLOB_POINTS) * (i+1);
float angle = ((PI * 2) / BLOB_POINTS) * (i+1);
blob.x_coords[i] = random(-6, 7) + 31 + round(BLOB_RADIUS * sin(angle));
blob.y_coords[i] = random(-2, 7) + 15 + round(BLOB_RADIUS * cos(angle));
//blob.x_coords[i] = random(0, 64);
//blob.y_coords[i] = random(0, 32);
}
} }
int interpolate(int from, int to, float percent) { int interpolate(int from, int to, float percent) {
@ -69,11 +87,12 @@ int interpolate(int from, int to, float percent) {
return from + ( difference * percent ); return from + ( difference * percent );
} }
void draw_bezier(int x1, int y1, int x2, int y2, int x3, int y3, float percent) { void draw_bezier(int x1, int y1, int x2, int y2, int x3, int y3) {
// draw lines to p2 // draw lines to p2
matrix->drawLine(x1, y1, x2, y2, matrix->color565(16, 16, 16)); //matrix->drawLine(x1, y1, x2, y2, matrix->color565(16, 16, 16));
matrix->drawLine(x2, y2, x3, y3, matrix->color565(16, 16, 16)); //matrix->drawLine(x2, y2, x3, y3, matrix->color565(16, 16, 16));
for (float percent = 0; percent < 1; percent += 0.02) {
int xa = interpolate(x1, x2, percent); int xa = interpolate(x1, x2, percent);
int ya = interpolate(y1, y2, percent); int ya = interpolate(y1, y2, percent);
int xb = interpolate(x2, x3, percent); int xb = interpolate(x2, x3, percent);
@ -83,23 +102,46 @@ void draw_bezier(int x1, int y1, int x2, int y2, int x3, int y3, float percent)
int x = interpolate(xa, xb, percent); int x = interpolate(xa, xb, percent);
int y = interpolate(ya, yb, percent); int y = interpolate(ya, yb, percent);
matrix->drawPixel(x, y, matrix->color565(255, 255, 255)); matrix->drawPixel(x, y, matrix->color565(255, 80, 83));
} }
}
void loop() { void loop() {
// matrix ->flipDMABuffer(); // matrix ->flipDMABuffer();
matrix->clearScreen(); //matrix->clearScreen();
// delay(25); matrix->fillScreenRGB888(15, 0, 10);
anchor_y += 1; // draw grid
if (anchor_y >= 32) {
anchor_y = 0; int h_lines = PANEL_HEIGHT / 7;
int v_lines = PANEL_WIDTH / 7;
for(int i = 0; i < PANEL_WIDTH; i++) {
if(i % 7 == 2) {
matrix->drawFastVLine(i, 0, PANEL_HEIGHT, matrix->color565(41, 17, 76));
} }
for (float i = 0; i < 1; i += 0.02) {
draw_bezier(start_x, start_y, anchor_x, anchor_y, end_x, end_y, i);
} }
matrix->drawPixel(start_x, start_y, matrix->color565(255, 0, 0)); for(int i = 0; i <= h_lines; i++) {
matrix->drawPixel(end_x, end_y, matrix->color565(255, 0, 0)); matrix->drawFastHLine(0, 7*i + 1, PANEL_WIDTH, matrix->color565(41, 17, 76));
matrix->drawPixel(anchor_x, anchor_y, matrix->color565(255, 0, 255)); }
delay(100);
for(int i = 0; i < BLOB_POINTS; i+=2) {
int end_offset = i + 2;
if ( end_offset >= BLOB_POINTS) {
end_offset = 0;
}
draw_bezier(blob.x_coords[i],
blob.y_coords[i],
blob.x_coords[i+1],
blob.y_coords[i+1],
blob.x_coords[end_offset],
blob.y_coords[end_offset]
);
matrix->drawPixel(blob.x_coords[i], blob.y_coords[i], matrix->color565(128, 128, 128));
//matrix->drawPixel(blob.x_coords[i], blob.y_coords[i], matrix->color565(0, 0, 128));
//matrix->drawPixel(blob.x_coords[i+1], blob.y_coords[i+1], matrix->color565(128, 0, 0));
//matrix->drawPixel(blob.x_coords[end_offset], blob.y_coords[end_offset], matrix->color565(0, 0, 128));
}
delay(500);
} }