Only update the time uniform for the shader each frame

1 files changed, 5 insertions, 4 deletions

diff --git a/water/Water.gd b/water/Water.gd
index 02bf966..99efa74 100644
--- a/water/Water.gd
+++ b/water/Water.gd
@@ -62,19 +62,20 @@ func _ready():
     waves.push_back(Wave.new(wave2_steepness,wave2_wavelength,wave2_direction,_time))
     waves.push_back(Wave.new(wave3_steepness,wave3_wavelength,wave3_direction,_time))
 
-func _wave_to_quad(wave):
-    return Quat(wave.steepness,wave._k,wave._a,wave._t)
+func _wave_to_v3(wave):
+    return Vector3(wave.steepness,wave._k,wave._a)
 
 func _update_wave(idx):
     var material = self.get_surface_material(0)
-    material.set_shader_param("wave" + str(idx+1), _wave_to_quad(waves[idx]))
+    material.set_shader_param("wave" + str(idx+1), _wave_to_v3(waves[idx]))
     material.set_shader_param("wave" + str(idx+1) + "_dir", waves[idx].direction)
 
 func _set_time(val):
     _time = val
+    var material = self.get_surface_material(0)
     for idx in waves.size():
         waves[idx]._time = _time
-        _update_wave(idx)
+        material.set_shader_param("wave" + str(idx+1) + "_t", waves[idx]._t)
 
 func _physics_process(delta):
     self._time += delta