public void createCircularField(Map map, Vector2D centerPosition, int terrainType, int size) {
if (size < 1) return;
int TILE_SIZE = 32;
float halfATile = TILE_SIZE / 2;
// convert to absolute pixel coordinates
Vector2D asPixelsCentered =
map.getCellCoordinatesInAbsolutePixels(
centerPosition.getXAsInt(), centerPosition.getYAsInt())
.add(Vector2D.create(halfATile, halfATile));
double centerX = asPixelsCentered.getX();
double centerY = asPixelsCentered.getY();
for (int rangeStep = 0; rangeStep < size; rangeStep++) { // range 'steps'
for (int degrees = 0; degrees < 360; degrees++) {
// calculate as if we would draw a circle and remember the coordinates
float rangeInPixels = (rangeStep * TILE_SIZE);
double circleX = (centerX + (Trigonometry.cos[degrees] * rangeInPixels));
double circleY = (centerY + (Trigonometry.sin[degrees] * rangeInPixels));
// convert back the pixel coordinates back to a cell
Cell cell =
map.getCellByAbsoluteMapCoordinates(
Coordinate.create((int) Math.ceil(circleX), (int) Math.ceil(circleY)));
putTerrainOnCell(map, cell.getX(), cell.getY(), terrainType);
}
}
}
private void fillMapWithRandomTerrainTypeFields(Map map) {
System.out.println("Putting terrain on map");
fillMapWithTerrain(map, DuneTerrain.TERRAIN_SAND);
createCircularField(map, Vector2D.create(0, 0), DuneTerrain.TERRAIN_ROCK, 20);
createCircularField(
map, Vector2D.create(map.getWidth(), map.getHeight()), DuneTerrain.TERRAIN_ROCK, 20);
for (int f = 0; f < 5; f++) {
Vector2D randomVec = Vector2D.random(15, 45, 15, 45);
createCircularField(map, randomVec, DuneTerrain.TERRAIN_SPICE, 6);
createField(map, randomVec, DuneTerrain.TERRAIN_SPICE, 200);
createField(map, randomVec, DuneTerrain.TERRAIN_SPICE_HILL, 50);
}
for (int f = 0; f < 5; f++) {
Vector2D randomVec = Vector2D.random(15, 45, 15, 45);
createCircularField(map, randomVec, DuneTerrain.TERRAIN_ROCK, 6);
createField(map, randomVec, DuneTerrain.TERRAIN_ROCK, 100);
// createField(map, randomVec, DuneTerrain.TERRAIN_MOUNTAIN, 25);
}
}
public void createField(Map map, Vector2D startVector, int terrainType, int size) {
Vector2D position = startVector;
for (int i = 0; i < size; i++) {
position = position.add(Vector2D.create(-1 + Random.getInt(3), -1 + Random.getInt(3)));
Cell cellProtected = map.getCellProtected(position.getXAsInt(), position.getYAsInt());
if (!cellProtected.getMapCoordinate().equals(position)) {
position = cellProtected.getMapCoordinate();
}
putTerrainOnCell(map, position.getXAsInt(), position.getYAsInt(), terrainType);
}
}