Need help making an Event "Area of Effect" activation (Script Call)

Lex1253

Villager
So, essentially what I want to do in my game is an Active Battle System built from the ground up using Events as enemies. So far, it's not going too bad, but there is a small problem.

My game uses both melee and ranged combat, and I can't figure out a script that tells the event/player: "If player is in coordinate (0, +1) relative to this event, then melee attacks are allowed." or "If player is in coordinate (-5. 0) relative to this event, then melee attacks are not allowed."

Essentially, I need a way to put the "\$gamePlayer.pos(x,y)" check relative to an Event's own position.

The checking area is a 7 * 7 tile circle with the Event in the center. Essentially from +3 to -3 in both the X and Y axes relative to the Event.

Visual representation, red being the event, black being the area of effect.

At this point I'm open to anything, whether it's a solution for my method or an entirely new one that meets my needs, please, feel free to comment.

Arthran

Veteran
If you're running the code from a script call within the event in question, then this is how you could detect if the player is within the circle that you have described:

JavaScript:
``````const distanceX = Math.abs(this.character(0).x - \$gamePlayer.x);
const distanceY = Math.abs(this.character(0).y - \$gamePlayer.y);

if (distanceX + distanceY <= 4) {
// Player is within a radius of 3
} else {
// Player is not within a radius of 3
}``````

Lex1253

Villager
If you're running the code from a script call within the event in question, then this is how you could detect if the player is within the circle that you have described:

JavaScript:
``````const distanceX = Math.abs(this.character(0).x - \$gamePlayer.x);
const distanceY = Math.abs(this.character(0).y - \$gamePlayer.y);

if (distanceX + distanceY <= 4) {
// Player is within a radius of 3
} else {
// Player is not within a radius of 3
}``````
Thanks a million!

I'll try it out on a sec!

Lex1253

Villager
If you're running the code from a script call within the event in question, then this is how you could detect if the player is within the circle that you have described:

JavaScript:
``````const distanceX = Math.abs(this.character(0).x - \$gamePlayer.x);
const distanceY = Math.abs(this.character(0).y - \$gamePlayer.y);

if (distanceX + distanceY <= 4) {
// Player is within a radius of 3
} else {
// Player is not within a radius of 3
}``````

Is it possible to configure this to work in a Conditional Branch script? I tried, and it seems to half work, only for the 'out of range' portion. I'm not awfully good with Script Calls, even if I can tell my way around...

caethyril

^_^
Conditional Branch -> Script: "is the X + Y distance between This Event and the player ≤ 4?"

`var c1 = this.character(0), c2 = \$gamePlayer; \$gameMap.distance(c1.x, c1.y, c2.x, c2.y) <= 4`
This works correctly on looped maps as well.

Note that there are different ways of measuring distance; by default the game calculates distance as X + Y (rectilinear). You may not need scripting here, e.g.
```◆Comment：Get X distance... ◆Control Variables：#0024 x = Map X of Player ◆Control Variables：#0024 x -= Map X of This Event ◆Comment：If x < 0 then multiply by -1 so distance > 0. ◆If：x < 0 ◆Control Variables：#0024 x *= -1 ◆ ：End ◆Comment：Same for Y distance... ◆Control Variables：#0025 y = Map Y of Player ◆Control Variables：#0025 y -= Map Y of This Event ◆If：y < 0 ◆Control Variables：#0025 y *= -1 ◆ ：End ◆Comment：Add together and check! ◆Control Variables：#0024 x += y ◆If：x ≤ 4 ◆Text：None, None, Window, Bottom ： ：In range! ◆ ：Else ◆Text：None, None, Window, Bottom ： ：Not in range! ◆ ：End```
```◆Comment：Get X² distance... ◆Control Variables：#0024 x = Map X of Player ◆Control Variables：#0024 x -= Map X of This Event ◆Control Variables：#0024 x *= x ◆Comment：Get Y² distance... ◆Control Variables：#0025 y = Map Y of Player ◆Control Variables：#0025 y -= Map Y of This Event ◆Control Variables：#0025 y *= y ◆Comment：Add together and compare vs R² ◆Control Variables：#0024 x += y ◆If：x ≤ 16 ◆Text：None, None, Window, Bottom ： ：In range! ◆ ：Else ◆Text：None, None, Window, Bottom ： ：Not in range! ◆ ：End```
(I've used a radius of R = 4 in these examples.) These event examples do not account for looped maps.

Lex1253

Villager
Conditional Branch -> Script: "is the X + Y distance between This Event and the player ≤ 4?"

`var c1 = this.character(0), c2 = \$gamePlayer; \$gameMap.distance(c1.x, c1.y, c2.x, c2.y) <= 4`

This works correctly on looped maps as well.

Note that there are different ways of measuring distance; by default the game calculates distance as X + Y (rectilinear). You may not need scripting here, e.g.
```◆Comment：Get X distance... ◆Control Variables：#0024 x = Map X of Player ◆Control Variables：#0024 x -= Map X of This Event ◆Comment：If x < 0 then multiply by -1 so distance > 0. ◆If：x < 0 ◆Control Variables：#0024 x *= -1 ◆ ：End ◆Comment：Same for Y distance... ◆Control Variables：#0025 y = Map Y of Player ◆Control Variables：#0025 y -= Map Y of This Event ◆If：y < 0 ◆Control Variables：#0025 y *= -1 ◆ ：End ◆Comment：Add together and check! ◆Control Variables：#0024 x += y ◆If：x ≤ 4 ◆Text：None, None, Window, Bottom ： ：In range! ◆ ：Else ◆Text：None, None, Window, Bottom ： ：Not in range! ◆ ：End```
```◆Comment：Get X² distance... ◆Control Variables：#0024 x = Map X of Player ◆Control Variables：#0024 x -= Map X of This Event ◆Control Variables：#0024 x *= x ◆Comment：Get Y² distance... ◆Control Variables：#0025 y = Map Y of Player ◆Control Variables：#0025 y -= Map Y of This Event ◆Control Variables：#0025 y *= y ◆Comment：Add together and compare vs R² ◆Control Variables：#0024 x += y ◆If：x ≤ 16 ◆Text：None, None, Window, Bottom ： ：In range! ◆ ：Else ◆Text：None, None, Window, Bottom ： ：Not in range! ◆ ：End```
(I've used a radius of R = 4 in these examples.) These event examples do not account for looped maps.
Thanks a million! This works perfectly!

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