private void drawFeatheredFullLine(
Vector2 a, Vector2 b, float width, float feather, Color color) {
checkMaxVerts(3 * 6);
// Calculate the normal that defines the center rectangle
norm.set(b);
norm.sub(a);
norm.rotate(90);
norm.setLength(width / 2); // Scale to line width
// Calculate the normal that defines feathering
feath.set(norm);
feath.setLength(feather / 2);
zeroAlpha.set(color);
zeroAlpha.a = 0;
// ORDER OF RENDERING
// 1 2
// top feather
// 3 4
// center
// 5 6
// bottom feather
// 7 8
// Top feather
tL.set(a).add(norm).add(feath);
tR.set(b).add(norm).add(feath);
bL.set(a).add(norm);
bR.set(b).add(norm);
// Draw it
// Top feather (1-2-3)
uncheckedTriangle(tL.x, tL.y, tR.x, tR.y, bL.x, bL.y, zeroAlpha, zeroAlpha, color);
uncheckedTriangle(tR.x, tR.y, bL.x, bL.y, bR.x, bR.y, zeroAlpha, color, color);
// Center line
tL.set(a).add(norm);
tR.set(b).add(norm);
bL.set(a).sub(norm);
bR.set(b).sub(norm);
// Draw it
uncheckedTriangle(tL.x, tL.y, tR.x, tR.y, bL.x, bL.y, color, color, color);
uncheckedTriangle(tR.x, tR.y, bL.x, bL.y, bR.x, bR.y, color, color, color);
// Bottom feather
tL.set(a).sub(norm);
tR.set(b).sub(norm);
bL.set(a).sub(norm).sub(feath);
bR.set(b).sub(norm).sub(feath);
// Draw it
uncheckedTriangle(tL.x, tL.y, tR.x, tR.y, bL.x, bL.y, color, color, zeroAlpha);
uncheckedTriangle(tR.x, tR.y, bL.x, bL.y, bR.x, bR.y, color, zeroAlpha, zeroAlpha);
}
public void drawLine(Vector2 a, Vector2 b, float width, Color color) {
setType(GL20.GL_TRIANGLES);
// Calculate the normal that defines the center rectangle
norm.set(b);
norm.sub(a);
norm.rotate(90);
norm.setLength(width / 2); // Scale to line width
// 1 2
// top feather
// 3 4
// Top feather
tL.set(a).add(norm);
tR.set(b).add(norm);
bL.set(a).sub(norm);
bR.set(b).sub(norm);
uncheckedTriangle(tL.x, tL.y, tR.x, tR.y, bL.x, bL.y, color, color, color);
uncheckedTriangle(tR.x, tR.y, bL.x, bL.y, bR.x, bR.y, color, color, color);
}
/**
* Rain clouds appear with a certain chance, influenced by the weather For every rain cloud in the
* grid the velocity of every rain object is updated Rain clouds are removed if they have passed a
* certain time
*/
@ScheduledMethod(start = 1, interval = 1, priority = 0)
public void rain() {
// Let new raingroups appear with a certain chance
double chance = SimulationParameters.rainProb;
// The probability of rain appearing decreases if there is already rain in the grid
if (noRainGroups == 1) chance = (chance / (noRainGroups)) * 0.5;
if (noRainGroups == 2) chance = (chance / (noRainGroups)) * 0.1;
if (noRainGroups > 2) chance = (chance / (noRainGroups)) * 0.01;
double f = urng.nextDouble();
if (f < chance) {
// Let rain appear
int x = rand.nextInt((SimulationParameters.gridSize - 0) + 1);
int y = rand.nextInt((SimulationParameters.gridSize - 0) + 1);
int[] newLoc = {x, y};
// Let new raingroup appear in random location
RainGroup rg = new RainGroup(ContextUtils.getContext(this), grid, newLoc);
noRainGroups++;
rainGroups.add(rg);
}
ArrayList<RainGroup> toRemove = new ArrayList<RainGroup>();
for (RainGroup rg : rainGroups) {
// Get velocity vector of the rain
float x = Wind.getWindVelocity().x;
float y = Wind.getWindVelocity().y;
Vector2 velRain = new Vector2(x, y);
velRain.setLength(
Wind.getWindVelocity().len() * 0.9f); // Rain speed is a bit lower than that of the wind
List<Rain> toRemove1 = new ArrayList<Rain>();
// Let rain be carried by the wind
if (urng.nextDouble() < velRain.len()) {
for (Rain rain : rg.getRainObjects()) {
Directions dir = Directions.fromVectorToDir(velRain);
GridPoint pt = grid.getLocation(rain);
int cX = pt.getX() + dir.xDiff;
int cY = pt.getY() + dir.yDiff;
// If new rain-location is out of borders, delete this rain object
// In this way the cloud "travels" out of the grid
if (cX < 0
|| cX >= SimulationParameters.gridSize
|| cY < 0
|| cY >= SimulationParameters.gridSize) {
toRemove1.add(rain);
} else grid.moveTo(rain, cX, cY);
}
}
for (Rain r : toRemove1) {
rg.removeRain(r);
TreeBuilder.performance.decreaseRainCount();
}
}
// Remove the raingroups from our list which were removed from the context
for (RainGroup rg : toRemove) {
rainGroups.remove(rg);
noRainGroups--;
}
}
