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Basic entity tracking

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This commit is contained in:
Tom
2020-09-19 15:59:03 -07:00
parent 7d1825b7e8
commit 7d122e2f8b
11 changed files with 357 additions and 158 deletions
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15
bot/phy/aabb.go
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@ -10,6 +10,8 @@ type MinMax struct {
Min, Max float64
}
// Extends adjusts the bounds of the MinMax. A negative number will reduce the
// minimum bound, whereas a positive number will increase the maximum bound.
func (mm MinMax) Extend(delta float64) MinMax {
if delta < 0 {
return MinMax{
@ -24,6 +26,8 @@ func (mm MinMax) Extend(delta float64) MinMax {
}
}
// Contract reduces both the minimum and maximum bound by the provided amount,
// such that the difference between the bounds decreases for positive values.
func (mm MinMax) Contract(amt float64) MinMax {
return MinMax{
Min: mm.Min + amt,
@ -31,6 +35,8 @@ func (mm MinMax) Contract(amt float64) MinMax {
}
}
// Expand changes the minimum and maximum bounds by the provided amount, such
// that the difference between the bounds increases for positive values.
func (mm MinMax) Expand(amt float64) MinMax {
return MinMax{
Min: mm.Min - amt,
@ -38,6 +44,7 @@ func (mm MinMax) Expand(amt float64) MinMax {
}
}
// Offset adds the provided value to both the minimum and maximum value.
func (mm MinMax) Offset(amt float64) MinMax {
return MinMax{
Min: mm.Min + amt,
@ -51,6 +58,8 @@ type AABB struct {
Block world.BlockStatus
}
// Extend adjusts the minimum (for negative values) or maximum bounds (for
// positive values) by the provided scalar for each dimension.
func (bb AABB) Extend(dx, dy, dz float64) AABB {
return AABB{
X: bb.X.Extend(dx),
@ -60,6 +69,8 @@ func (bb AABB) Extend(dx, dy, dz float64) AABB {
}
}
// Contract reduces the difference between the min/max bounds (for positive
// values) for each dimension.
func (bb AABB) Contract(x, y, z float64) AABB {
return AABB{
X: bb.X.Contract(x),
@ -69,6 +80,8 @@ func (bb AABB) Contract(x, y, z float64) AABB {
}
}
// Expand increases both the minimum and maximum bounds by the provided amount
// (for positive values) for each dimension.
func (bb AABB) Expand(x, y, z float64) AABB {
return AABB{
X: bb.X.Expand(x),
@ -78,6 +91,8 @@ func (bb AABB) Expand(x, y, z float64) AABB {
}
}
// Offset moves both the minimum and maximum bound by the provided value for
// each dimension.
func (bb AABB) Offset(x, y, z float64) AABB {
return AABB{
X: bb.X.Offset(x),