Smikkelbakje/Drone-FabAcademy-2025
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fix scrollingtext function for matrix controller

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This commit is contained in:
Sam Hos
2025-05-27 14:50:37 +02:00
parent 7b81c1dda8
commit 5104f71dc6
1 changed files with 26 additions and 16 deletions
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40
src/Fab Matrixes/src/main.cpp
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@@ -38,7 +38,7 @@
// lines are arranged in columns, progressive order. The shield uses
// 800 KHz (v2) pixels that expect GRB color data.
void scrollingText(String text, int speed);
void scrollingText(String text, int speed, int color);
void playGif(const uint16_t* gifData[], int frameCount, int frameDelay);
void displayFullScreenBMP(const uint16_t* bitmap);
@@ -53,30 +53,40 @@ const uint16_t colors[] = {
void setup() {
matrix.begin();
matrix.setTextWrap(false);
matrix.setBrightness(40);
matrix.setTextColor(colors[0]);
matrix.setBrightness(10);
matrix.setTextColor(matrix.Color(255, 255, 255));
}
int x = matrix.width();
int pass = 0;
void loop() {
displayFullScreenBMP(EEP);
scrollingText("Hello World!", 100, 0xFFFFFF);
}
void scrollingText(String text, int speed) {
matrix.fillScreen(0);
matrix.setCursor(x, 0);
matrix.print(text);
void scrollingText(String text, int speed, int color) {
// Save original position and color state
int textX = matrix.width();
int textPass = 0;
matrix.setTextColor(color);
if(--x < -(text.length() * 6)) {
x = matrix.width();
if(++pass >= 3) pass = 0;
matrix.setTextColor(colors[pass]);
// Calculate the total scroll distance needed for the text to completely scroll through
// We want to scroll until the text has fully entered from the right AND fully exited to the left
int textWidth = text.length() * 6; // Approx 6 pixels per character
int totalScrollDistance = matrix.width() + textWidth;
// Continue scrolling until the text has completely passed through
for (int i = 0; i < totalScrollDistance; i++) {
matrix.fillScreen(0);
matrix.setCursor(textX, 0);
matrix.print(text);
matrix.show();
// Move text position one pixel to the left
textX--;
delay(speed);
}
matrix.show();
delay(speed);
}
void playGif(const uint16_t* gifData[], int frameCount, int frameDelay) {