diff options
Diffstat (limited to 'libraries/TFT/examples/Esplora/EsploraTFTHorizon')
-rw-r--r-- | libraries/TFT/examples/Esplora/EsploraTFTHorizon/EsploraTFTHorizon.ino | 63 |
1 files changed, 0 insertions, 63 deletions
diff --git a/libraries/TFT/examples/Esplora/EsploraTFTHorizon/EsploraTFTHorizon.ino b/libraries/TFT/examples/Esplora/EsploraTFTHorizon/EsploraTFTHorizon.ino deleted file mode 100644 index a7945c9..0000000 --- a/libraries/TFT/examples/Esplora/EsploraTFTHorizon/EsploraTFTHorizon.ino +++ /dev/null @@ -1,63 +0,0 @@ -/* - - Esplora TFT Horizon - - This example for the Arduino TFT and Esplora draws - a line on the screen that stays level with the ground - as you tile the Esplora side to side - - This example code is in the public domain. - - Created 15 April 2013 by Scott Fitzgerald - - http://arduino.cc/en/Tutorial/EsploraTFTHorizon - - */ - -#include <Esplora.h> -#include <TFT.h> // Arduino LCD library -#include <SPI.h> - -// horizontal start and end positions -int yStart = EsploraTFT.height()/2; -int yEnd = EsploraTFT.height()/2; - -// previous start and end positions -int oldEndY; -int oldStartY; - -void setup() { - // initialize the display - EsploraTFT.begin(); - // make the background black - EsploraTFT.background(0,0,0); -} - -void loop() -{ - // read the x-axis of te accelerometer - int tilt = Esplora.readAccelerometer(X_AXIS); - - // the values are 100 when tilted to the left - // and -100 when tilted to the right - // map these values to the start and end points - yStart = map(tilt,-100,100,EsploraTFT.height(),0); - yEnd = map(tilt,-100,100,0,EsploraTFT.height()); - - // if the previous values are different than the current values - // erase the previous line - if (oldStartY != yStart || oldEndY != yEnd) { - EsploraTFT.stroke(0,0,0); - EsploraTFT.line(0, oldStartY, EsploraTFT.width(), oldEndY); - } - - // draw the line in magenta - EsploraTFT.stroke(255,0,255); - EsploraTFT.line(0,yStart,EsploraTFT.width(),yEnd); - - // save the current start and end points - // to compare int he next loop - oldStartY= yStart; - oldEndY = yEnd; - delay(10); -} |