Arduino LCD 5110 Testing

#include <SPI.h>
#include <Adafruit_GFX.h>
#include <Adafruit_PCD8544.h>

#define Pi 3.1415926535
#define Deg *Pi/180

// Using 3.3 volts power
// Software SPI (slower updates, more flexible pin options):
// pin 22 - Serial clock out (SCLK)
// pin 23 - Serial data out (DIN)
// pin 24 - Data/Command select (D/C)
// pin 25 - LCD chip select (CS)
// pin 26 - LCD reset (RST)
Adafruit_PCD8544 display = Adafruit_PCD8544(22, 23, 24, 25, 26);
int height = display.height();
int width = display.width();
int count = 0;

void setup()   {
  Serial.begin(9600);

  // init
  display.begin();
  display.setContrast(50);
  display.setTextSize(1);
  display.setTextColor(BLACK);
  display.setRotation(2); // because in this example we're using it upside down
  display.setCursor(0,0);
  display.clearDisplay();
  display.display();
}


void loop() {
  float r = min(height,width)/2-1;
  float theta = (float(count)*6-90) Deg;
  int x1 = int((r-2)*cos(theta)+width/2);
  int y1 = int((r-2)*sin(theta)+height/2);
  int x2 = int((r-7)*cos(theta+12 Deg)+width/2);
  int y2 = int((r-7)*sin(theta+12 Deg)+height/2);
  int x3 = int((r-7)*cos(theta-12 Deg)+width/2);
  int y3 = int((r-7)*sin(theta-12 Deg)+height/2);
  Serial.println(count);
  display.clearDisplay();
  display.setCursor(0,0);
  display.println(count);
  display.drawCircle(width/2, height/2, int(r), BLACK);
  display.drawLine(width/2, height/2, x1, y1, BLACK);
  display.fillTriangle(x1 ,y1, x2, y2, x3, y3, BLACK);
  display.display();
  delay(200);
  count=(count+1)%60;
}