koobas.hobune.stream
drawing GUI or Instantiate an object to highlight multiple object
hi there my friends , i encountered a problem with GUI and texture2d and objects , here wt is it:
1-i have made a script that looks for objects tagged as "Targets" and add them to an array.
2-i want that script to look for every object it finds in the array and get their positions and the size of their meshes how big they appear to my camera(Far = smaller , near = bigger).
3-i want it then to either:-
a)using a GUI to draw a 2dTexture around each target automatically and update as they moves(the Targets).
b)to Instantiate a GUITexture object (or any other object) on top of each target and update as they moves(the Targets).
here are my codes:
the main Script
var targets : GameObject[];
var targetFrame : GUITexture;
var targetFramePos : Vector3[];
var t : int;
function Start () {
targets = GameObject.FindGameObjectsWithTag("Targets");
}
function OnGUI(){
for( t = 0 ; t < targets.length ; t++){
targetFramePos[t] = camera.main.WorldToScreenPoint(targets[t].transform.position);
GUI.Box(Rect(targetFramePos[t].x,targetFramePos[t].y,60,60),"" + targets[t]);
}
}
the above code works the most best but the GUIs are not aligned on the center , and if the camera turns around they get messed up pretty bad
2nd code
var targets : GameObject[];
var highLightFrame : GUITexture;
var t : int;
function Start () {
targets = GameObject.FindGameObjectsWithTag("Targets");
}
function Update () {
for( t = 0 ; t < targets.length ; t++){
Instantiate(highLightFrame, camera.main.WorldToViewportPoint(targets[t].transform.position),transform.rotation);
highLightFrame.transform.position = camera.main.WorldToViewportPoint(targets[t].transform.position);
}
}
the above code also works but i must add the following script to the (highLightFrame) and still if i looked around (180 deg) the (highLightFrame) appears in front of me even if the targets are behind:
function Start () {
yield WaitForSeconds(0.01);
Destroy(gameObject);
}
in simple i want to do the logic of a radar but not like the one i find in the Wiki , bcz it renders the dots as 2D plane , i want it to be like a hud that detects targets and organize them , i will experiment more on the rest logic, i love to experiment a lot but this one really troubled me , right now i am stuck at drawing around each target something to show in the hud.
Note:i tried using mesh.bounds , renderer.bounds but i failed at using them even after reading the Docs.
it will be really a great help even if its a small hint.
so thanks for anyone reading my problem and helping me out.
bcz still no one has helped me with this problem , i worked more on it and i came with a fix that is ok for now , here is the code in case someone wanted it:
var targets : GameObject[];
var aTexture : Texture2D;
var mainShip : GameObject;
var position : Vector3;
function Start () {
targets = GameObject.FindGameObjectsWithTag("Targets");
}
function OnGUI(){
for(var t : int = 0 ; t < targets.length ; t++){
var size = 1/Vector3.Distance(mainShip.transform.position, targets[t].transform.position) * 1000;
var size2 = 1/Vector3.Distance(targets[t].transform.position,mainShip.transform.position);
position = camera.main.WorldToScreenPoint(targets[t].transform.position);
if(position.x > Screen.width){
position.x = Screen.width;
}else if(position.x < 0){
position.x = 0;
}
if(position.y > Screen.height){
position.y = Screen.height;
}else if(position.y < 0){
position.y = 0;
}
if(position.z < 0){
position.y = 0;
}
position.y = Screen.height - position.y;
GUI.DrawTexture(Rect((position.x - (size/2)), (position.y - (size/2)), size, size), aTexture);
GUI.Label(Rect((position.x - (size/2)), (position.y + (size/2)), size * 20, size * 2),"Target = " + targets[t].name);
GUI.Label(Rect((position.x - (size/2)), (position.y + (size/2)+15), size * 20, size * 2),"Dist = " + 1/size2);
}
}
and still , if anyone finds a way to optimize the code by making it (easier , faster , manageable) feel free to edit it.
ok , as no one has answered my question i experimented little more and found a solution here to my problem but there is still one problem left , here is the code:
var targets : GameObject[];
var aTexture : Texture2D;
var mainShip : GameObject;
function Start () {
targets = GameObject.FindGameObjectsWithTag("Targets");
}
function OnGUI(){
for(var t : int = 0 ; t < targets.length ; t++){
var size = 1/Vector3.Distance(mainShip.transform.position, targets[t].transform.position) * 1000;
var position = camera.main.WorldToScreenPoint(targets[t].transform.position);
position.y = Screen.height - position.y;
GUI.DrawTexture(Rect((position.x - (size/2)), (position.y - (size/2)), size, size), aTexture);
}
}
it renders a GUI texture nicely on each object , but there is only 1 problem left , when i turn around 180 Deg , i can see the GUI texture also in front of my even if the targets are behind me.
i hope at least i find fix for this problem now ,please and thx.
