added camera shake sample script; lua binding updates;

2022-11-11 12:00:34 +01:00
parent 2e377a7e1a
commit 1bb67f9e91
6 changed files with 116 additions and 2 deletions
@@ -0,0 +1,47 @@
+-- This script will play a camera shake effect
+
+local camera = GetCamera()
+local shake_offset = Vector()
+local shake_x = -1
+local shake_y = -1
+local shake_elapsed = 0
+
+-- Outside settable params:
+scriptableCameraShakeAmount = 0.2
+scriptableCameraShakeFrequency = 0.05
+scriptableCameraShakeAggressiveness = 0.1
+
+runProcess(function()
+    while true do
+        if input.Press(KEYBOARD_BUTTON_F6) then
+            if scriptableCameraShakeAmount > 0 then
+                scriptableCameraShakeAmount = 0
+            else
+                scriptableCameraShakeAmount = 0.1
+            end
+        end
+        if shake_elapsed > scriptableCameraShakeFrequency then
+            shake_elapsed = 0
+            if scriptableCameraShakeAmount > 0 then
+                local up = camera.GetUpDirection()
+                local forward = camera.GetLookDirection()
+                local side = vector.Cross(up, forward)
+                shake_x = shake_x * -1
+                shake_y = shake_y * -1
+                shake_offset = vector.Add(
+                    vector.Multiply(side, math.random() * shake_x * scriptableCameraShakeAmount),
+                    vector.Multiply(up, math.random() * shake_y * scriptableCameraShakeAmount)
+                )
+            else
+                shake_offset = Vector()
+            end
+        end
+        shake_elapsed = shake_elapsed + getDeltaTime()
+
+        local pos = camera.GetPosition()
+        pos = vector.Lerp(pos, vector.Add(pos, shake_offset), scriptableCameraShakeAggressiveness)
+        camera.SetPosition(pos)
+        camera.UpdateCamera()
+        update()
+    end
+end)