marko10_000
/
openclonk
forked from Mirrors/openclonk
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

change catapult aiming: power is such that trajectory goed through the cursor (if possible)

objectmenu
Maikel de Vries 2016-01-26 22:38:25 +01:00
parent 7e1fe57440
commit 2cc59cb336
1 changed files with 15 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
planet/Objects.ocd/Vehicles.ocd/Catapult.ocd/Script.c
View File

@ -134,13 +134,25 @@ public func ContainedUseCancel(object clonk)
/*-- Shooting --*/
// Define the catapult power according to where the player aims.
// Power will try to match such that the trajectory goes through (x, y).
public func DefinePower(int x, int y, int max_power)
{
if (max_power == nil)
max_power = CATAPULT_MaxPower;
var power = 2 * Distance(x, y) / 3 - 24;
power = BoundBy(power, 20, max_power);
return power;
var min_power = 20;
// Correct coordinates for the projectile exit.
var exit = GetProjectileExit();
x -= exit[0];
y -= exit[1];
// Ensure max_power if aiming above the diagonal line.
if (y + (2 * dir - 1) * x <= 0)
return max_power;
// Calculate the exit speed using a 45 degree angle.
var vsquared = x**2 * GetGravity() / (y + (2 * dir - 1) * x);
if (vsquared < 0)
return min_power;
return BoundBy(Sqrt(vsquared), min_power, max_power);
}
public func DoArmAnimation(int power)