unity-rts-camera's Introduction

RTS camera for Unity

Attach this script to a camera and then you can use it RTS-style.

Note: I'm a Unity newbie, so I'm sorry if I don't know what I'm doing! Happy to accept pull requests.

Quick start

Attach this script to a camera.
Add "Mouse Look" and "Mouse Select" to your inputs. I recommend changing the default Fire1 and Fire2 for left and right mouse buttons.
Make sure selectable objects have 3D colliders on them.

For any selectable object, add the following code:

void OnTriggerEnter(Collider other) {
   if (other.gameObject.name == "RTS Selection") {
     // This object has been selected; do stuff!
   }
}

void OnTriggerExit(Collider other) {
   if (other.gameObject.name == "RTS Selection") {
     // This object has been deselected; do stuff!
   }
}

That's it!

For more usage, check out the demo.

Class RTSCamera

One RTSCamera should be attached to the main camera for your game.

Property	Type	Default	Description
`disablePanning`	`bool`	`false`	When true, the player cannot pan the camera.
`disableSelect`	`bool`	`false`	When true, the player cannot select.
`disableZoom`	`bool`	`false`	When true, the player cannot zoom.
`selectColor`	`Color`	`Color.green`	The selection box drawn on-screen will be this color.
`selectLineWidth`	`float`	`2f`	The selection box drawn on-screen will have this line width.
`maximumZoom`	`float`	`1f`	Maximum zoom; minimum camera scale. (This value will be less than `minimumZoom`, which might seem backwards.)
`minimumZoom`	`float`	`20f`	Minimum zoom; maximum camera scale. (This value will be greater than `maximumZoom`, which might seem backwards.)
`lookDamper`	`float`	`5f`	Panning speed will be divided by this value. A higher number makes for slower panning.
`selectionObjectName`	`string`	`"RTS Selection"`	When a selection happens, a trigger (a BoxCollider) will be dropped briefly into the scene. It will have this name.