int   myStageW = 400;
int   myStageH = 400;

PFont myFont;
PGraphics pg;
PShape form;
String test = "hello";

void settings() {
	size(myStageW,myStageH,P3D);
}

void setup(){
	myFont = createFont("Verdana-24",50);
	pg = createGraphics(width, height);
}
 
void draw() {
	background(0, 255, 0);

	pg.beginDraw();
		pg.smooth();
		pg.background(0);
		pg.fill(255); 
		pg.textAlign(CENTER, CENTER);
		pg.textFont(myFont, 40);
		pg.text(test, width / 2, height / 2);
	pg.endDraw();

	form = createShape();

	form.beginShape(TRIANGLE);
		form.texture(pg);
		form.vertex(0, -100,   0, width/2,0);
		form.vertex(100, 100,  0, width, height);
		form.vertex(-100, 100, 0, 0, height);
	form.endShape();

	pushMatrix();
		translate(width/2, height/2);
		shape(form, 0, 0);
	popMatrix();
}