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add vector 3 capability

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This commit is contained in:
Edouard DUPIN 2022-02-19 15:02:29 +01:00
parent 84f92a1841
commit 3c2cf9ca2b
1 changed files with 40 additions and 11 deletions
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51
src/org/atriasoft/etk/math/Vector3i.java
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@ -69,7 +69,7 @@ public record Vector3i(
}
/**
* Constructor from scalars
* Constructor from scalars
* @param value unique value for X,Y and Z value
*/
public Vector3i(final int value) {
@ -86,7 +86,7 @@ public record Vector3i(
}
/**
* Add a vector to this one
* Add a vector to this one
* @param obj The vector to add to this one
*/
@CheckReturnValue
@ -138,7 +138,7 @@ public record Vector3i(
}
/**
* Inversely scale the vector
* Inversely scale the vector
* @param val Scale factor to divide by
*/
@CheckReturnValue
@ -151,20 +151,33 @@ public record Vector3i(
/**
* Return the distance between the ends of this and another vector
* This is symantically treating the vector like a point
* This is semantically treating the vector like a point
* @param obj The other vector to compare distance
* @return the distance of the 2 points
*/
@CheckReturnValue
public int distance(final Vector3i obj) {
return (int) Math.sqrt(distance2(obj));
public float distance(final Vector3i obj) {
return FMath.sqrt(distance2(obj));
}
/**
* Return the distance between the ends of this and another vector
* This is semantically treating the vector like a point
* @param xxx X position.
* @param yyy Y position.
* @param zzz Z position.
* @return the distance of the 2 points
*/
@CheckReturnValue
public float distance(final int xxx, final int yyy, final int zzz) {
return FMath.sqrt(distance2(xxx, yyy, zzz));
}
/**
* Return the distance squared between the ends of this and another vector
* This is symantically treating the vector like a point
* This is semantically treating the vector like a point
* @param obj The other vector to compare distance
* @return the square distance of the 2 points
* @return The square distance of the 2 points.
*/
@CheckReturnValue
public int distance2(final Vector3i obj) {
@ -174,6 +187,22 @@ public record Vector3i(
return deltaX * deltaX + deltaY * deltaY + deltaZ * deltaZ;
}
/**
* Return the distance squared between the ends of this and another vector
* This is semantically treating the vector like a point
* @param xxx X position.
* @param yyy Y position.
* @param zzz Z position.
* @return The square distance of the 2 points.
*/
@CheckReturnValue
public int distance2(final int xxx, final int yyy, final int zzz) {
final int deltaX = xxx - this.x;
final int deltaY = yyy - this.y;
final int deltaZ = zzz - this.z;
return deltaX * deltaX + deltaY * deltaY + deltaZ * deltaZ;
}
/**
* Return the dot product
* @param obj The other vector in the dot product
@ -296,7 +325,7 @@ public record Vector3i(
/**
* Return the linear interpolation between this and another vector
* @param obj The other vector
* @param obj The other vector
* @param ratio The ratio of this to obj (ratio = 0 => return copy of this, ratio=1 => return other)
* @return New vector containing the value
*/
@ -399,7 +428,7 @@ public record Vector3i(
/**
* Set each element to the max of the current values and the values of another Vector3i
* @param obj The other Vector3i to compare with
* @param obj The other Vector3i to compare with
*/
@CheckReturnValue
public Vector3i max(final Vector3i obj) {
@ -408,7 +437,7 @@ public record Vector3i(
/**
* Set each element to the min of the current values and the values of another Vector3i
* @param obj The other Vector3i to compare with
* @param obj The other Vector3i to compare with
*/
@CheckReturnValue
public Vector3i min(final Vector3i obj) {