app/bitmap_drawing/main.cpp

72 			void	_FillBitmap(point* polygon);
73 			void	_InitPolygon(const BRect& b, point* polygon) const;
75 			void	_MorphPolygon(const BRect& b, point* polygon);
395 TestView::_FillBitmap(point* polygon)
411 		pointList[0].x = polygon[0].x;
412 		pointList[0].y = polygon[0].y;
413 		pointList[1].x = polygon[1].x;
414 		pointList[1].y = polygon[1].y;
415 		pointList[2].x = polygon[2].x;
416 		pointList[2].y = polygon[2].y;
417 		pointList[3].x = polygon[3].x;
418 		pointList[3].y = polygon[3].y;
429 TestView::_InitPolygon(const BRect& b, point* polygon) const
431 	polygon[0].x = b.left;
432 	polygon[0].y = b.top;
433 	polygon[0].direction_x = random_number_between(-SPEED, SPEED);
434 	polygon[0].direction_y = random_number_between(-SPEED, SPEED);
435 	polygon[0].velocity_x = 0.0;
436 	polygon[0].velocity_y = 0.0;
437 	polygon[1].x = b.right;
438 	polygon[1].y = b.top;
439 	polygon[1].direction_x = random_number_between(-SPEED, SPEED);
440 	polygon[1].direction_y = random_number_between(-SPEED, SPEED);
441 	polygon[1].velocity_x = 0.0;
442 	polygon[1].velocity_y = 0.0;
443 	polygon[2].x = b.right;
444 	polygon[2].y = b.bottom;
445 	polygon[2].direction_x = random_number_between(-SPEED, SPEED);
446 	polygon[2].direction_y = random_number_between(-SPEED, SPEED);
447 	polygon[2].velocity_x = 0.0;
448 	polygon[2].velocity_y = 0.0;
449 	polygon[3].x = b.left;
450 	polygon[3].y = b.bottom;
451 	polygon[3].direction_x = random_number_between(-SPEED, SPEED);
452 	polygon[3].direction_y = random_number_between(-SPEED, SPEED);
453 	polygon[3].velocity_x = 0.0;
454 	polygon[3].velocity_y = 0.0;
515 TestView::_MorphPolygon(const BRect& b, point* polygon)
517 	morph(&polygon[0].x, &polygon[0].direction_x, &polygon[0].velocity_x, b.left, b.right);
518 	morph(&polygon[1].x, &polygon[1].direction_x, &polygon[1].velocity_x, b.left, b.right);
519 	morph(&polygon[2].x, &polygon[2].direction_x, &polygon[2].velocity_x, b.left, b.right);
520 	morph(&polygon[3].x, &polygon[3].direction_x, &polygon[3].velocity_x, b.left, b.right);
521 	morph(&polygon[0].y, &polygon[0].direction_y, &polygon[0].velocity_y, b.top, b.bottom);
522 	morph(&polygon[1].y, &polygon[1].direction_y, &polygon[1].velocity_y, b.top, b.bottom);
523 	morph(&polygon[2].y, &polygon[2].direction_y, &polygon[2].velocity_y, b.top, b.bottom);
524 	morph(&polygon[3].y, &polygon[3].direction_y, &polygon[3].velocity_y, b.top, b.bottom);