Lab2-Circle(Function)

int posX = 25, posY = 50;
int space = 50;
float rad = 15;

void setup(){
    size(600,250);
    background(#FFCCCC);

    float dia = cal_dia(rad);
    float cir = cal_cir(rad);
    float area = cal_area(rad);

    fill(#FF0000);
    textSize(30);
    text("Radius = "+rad,posX, posY);
    text("Diameter = "+dia,posX, posY+space);
    text("Area = "+area,posX, posY+space*2);
    text("Circumference = " +cir,posX, posY+space*3);
}

float cal_cir(float rad){
    float cir;
    cir = 2*PI*rad;
    return cir;
}

float cal_area(float rad){
    float area;
    area = PI*rad*rad;
    return area;
}

flaot cal_dia(float rad){
    float dia;
    dia = rad*2;
    return dia;
}