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Add basic zoom #6

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merged 1 commit into from
Apr 12, 2022
Merged

Add basic zoom #6

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7 changes: 7 additions & 0 deletions editor/src/main/com/mbrlabs/mundus/editor/input/FreeCamController.kt
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Original file line number Diff line number Diff line change
Expand Up @@ -42,6 +42,7 @@ class FreeCamController : InputAdapter() {
private val UP = Input.Keys.Q
private val DOWN = Input.Keys.E
private var velocity = SPEED_1
private var zoomAmount = SPEED_01
private var degreesPerPixel = 0.5f
private val tmp = Vector3()

Expand Down Expand Up @@ -90,6 +91,12 @@ class FreeCamController : InputAdapter() {
return false
}

override fun scrolled(amountX: Float, amountY: Float): Boolean {
tmp.set(camera!!.direction).nor().scl(-amountY * zoomAmount)
camera!!.position.add(tmp)
return true
}

@JvmOverloads fun update(deltaTime: Float = Gdx.graphics.deltaTime) {
if (keys.containsKey(FORWARD)) {
tmp.set(camera!!.direction).nor().scl(deltaTime * velocity)
Expand Down