Draw a triangle in Processing

gistfile1.pde

size( 640, 480 );
background( 19, 18, 64 );    // R,G,B

stroke( 255, 0, 255 ); // purple stroke


int startX = 10;
int startY = 20;

int triWidth = 120;
int triHeight = 26;

triangle( startX, startY, 
startX + triWidth/2, startY + triHeight, 
startX + triWidth, startY);

startX = startX + triWidth;

triangle( startX, startY, 
startX + triWidth/2, startY + triHeight, 
startX + triWidth, startY);

startX = startX + triWidth;