private void UpdateColour()
{
if (timer < 7)
{
return;
}
timer = 0;
if (firelight == null)
{
return;
}
var temperature = node.GasMix.Temperature;
var temp2Colour = Temp2Colour(temperature);
var heatR = temp2Colour.r * 255;
var heatG = temp2Colour.g * 255;
var heatB = temp2Colour.b * 255;
var heatA = 255f;
var greyscaleFire = 1f; //This determines how greyscaled the fire is.
//This is where fire is very orange, we turn it into the normal fire texture here.
if (temperature < 5000)
{
var normalAmt = DMMath.GaussLerp(temperature, 1000, 3000);
heatR = DMMath.Lerp(heatR, 255, normalAmt);
heatG = DMMath.Lerp(heatG, 255, normalAmt);
heatB = DMMath.Lerp(heatB, 255, normalAmt);
heatA -= DMMath.GaussLerp(temperature, -5000, 5000) * 128;
greyscaleFire -= normalAmt;
}
//Past this temperature the fire will gradually turn a bright purple
if (temperature > 40000)
{
var purpleAmt = temperature < DMMath.Lerp(40000, 200000, 0.5f) ? DMMath.GaussLerp(temperature, 40000, 200000) : 1;
heatR = DMMath.Lerp(heatR, 255, purpleAmt);
}
//Somewhere at this temperature nitryl happens.
if (temperature > 200000 && temperature < 500000)
{
var sparkleAmt = DMMath.GaussLerp(temperature, 200000, 500000);
var newColour = new Color(1f, 1f, 1f, sparkleAmt);
var currentColour = node.PositionMatrix.MetaTileMap.GetColourOfFirstTile(node.Position,
OverlayType.FireSparkles, LayerType.Effects);
//Only add/remove if we need to
if (currentColour != newColour)
{
if (currentColour != null && hasSparkle)
{
//Remove old so it can be replaced by one with different alpha value
node.PositionMatrix.MetaTileMap.RemoveOverlaysOfType(
node.Position, LayerType.Effects, OverlayType.FireSparkles);
}
hasSparkle = true;
//Add new
node.PositionMatrix.MetaTileMap.AddOverlay(
node.Position, TileType.Effects, "FireSparkles", color: newColour);
}
}
else if (hasSparkle)
{
hasSparkle = false;
//Remove as its not needed anymore
node.PositionMatrix.MetaTileMap.RemoveOverlaysOfType(
node.Position, LayerType.Effects, OverlayType.FireSparkles);
}
//Lightning because very anime.
if (temperature > 400000 && temperature < 1500000)
{
if (hasOvercharge == false)
{
hasOvercharge = true;
//Add new
node.PositionMatrix.MetaTileMap.AddOverlay(
node.Position, TileType.Effects, "FireOverCharged");
}
}
else if (hasOvercharge)
{
hasOvercharge = false;
//Remove overcharge as its not needed anymore
node.PositionMatrix.MetaTileMap.RemoveOverlaysOfType(
node.Position, LayerType.Effects, OverlayType.FireOverCharged);
}
//This is where noblium happens. Some fusion-y effects.
if (temperature > 4500000)
{
var fusionAmt = temperature < DMMath.Lerp(4500000, 12000000, 0.5f)
? DMMath.GaussLerp(temperature, 4500000, 12000000) : 1;
var newColour = new Color(1f, 1f, 1f, fusionAmt);
var currentColour = node.PositionMatrix.MetaTileMap.GetColourOfFirstTile(node.Position,
OverlayType.FireSparkles, LayerType.Effects);
//Only add/remove if we need to
if (currentColour != newColour)
{
if (currentColour != null && hasFusion)
{
//Remove old so it can be replaced by one with different alpha value
node.PositionMatrix.MetaTileMap.RemoveOverlaysOfType(
node.Position, LayerType.Effects, OverlayType.FireFusion);
node.PositionMatrix.MetaTileMap.RemoveOverlaysOfType(
node.Position, LayerType.Effects, OverlayType.FireRainbow);
}
hasFusion = true;
//Add new
node.PositionMatrix.MetaTileMap.AddOverlay(
node.Position, TileType.Effects, "FireFusion", color: newColour);
//Add new
node.PositionMatrix.MetaTileMap.AddOverlay(
node.Position, TileType.Effects, "FireRainbow", color: newColour);
heatR = DMMath.Lerp(heatR, 255, fusionAmt);
heatG = DMMath.Lerp(heatG, 255, fusionAmt);
heatB = DMMath.Lerp(heatB, 255, fusionAmt);
}
}
else if (hasFusion)
{
hasFusion = false;
//Remove fusion and rainbow as they are not needed anymore
node.PositionMatrix.MetaTileMap.RemoveOverlaysOfType(
node.Position, LayerType.Effects, OverlayType.FireFusion);
node.PositionMatrix.MetaTileMap.RemoveOverlaysOfType(
node.Position, LayerType.Effects, OverlayType.FireRainbow);
}
firelight.SetColour(new Color(
DMMath.Lerp(250, heatR, greyscaleFire) / 255,
DMMath.Lerp(250, heatG, greyscaleFire) / 255,
DMMath.Lerp(250, heatB, greyscaleFire) / 255,
heatA / 255));
}