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recover split2DPlane and split3DModel from parts.go

This commit is contained in:
Octopus Octopus 2022-06-30 16:19:48 -05:00
parent d007afd5b3
commit 30e8cba298
1 changed files with 30 additions and 0 deletions
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30
fightstick/misc.go
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@ -5,6 +5,7 @@ import (
"github.com/deadsy/sdfx/sdf"
v2 "github.com/deadsy/sdfx/vec/v2"
v3 "github.com/deadsy/sdfx/vec/v3"
)
func loggedMovement(input sdf.SDF2, displacement sdf.V2, label string) sdf.SDF2 {
@ -33,3 +34,32 @@ func trapezoid(base v2.Vec, xChange float64) sdf.SDF2 {
return trapezoid
}
// split2DPlane splits a 2D plane in half. 0 is right side and 1 is left side.
func split2DPlane(plane sdf.SDF2, height float64) []sdf.SDF2 {
planes := make([]sdf.SDF2, 2)
rPlane := sdf.Cut2D(plane, v2.Vec{X: 0, Y: 0}, v2.Vec{X: 0, Y: 1})
planes[0] = rPlane
lPlane := sdf.Transform2D(sdf.Cut2D(sdf.Transform2D(plane, sdf.MirrorY()), v2.Vec{X: 0, Y: 0}, v2.Vec{X: 0, Y: 1}), sdf.MirrorY())
planes[0] = lPlane
return planes
}
// split3DModel splits a 3D model in half. 0 is right side and 1 is left side.
func split3DModel(model sdf.SDF3) []sdf.SDF3 {
models := make([]sdf.SDF3, 2)
//plane := sdf.Slice2D(model, v3.Vec{X: 0, Y: 0, Z: 0}, v3.Vec{X: 0, Y: 0, Z: 0})
//rPlane := sdf.Cut2D(plane, v2.Vec{X: 0, Y: 0}, v2.Vec{X: 0, Y: 1})
rModel := sdf.Cut3D(model, v3.Vec{X: 0, Y: 0, Z: 0}, v3.Vec{X: 0, Y: 1, Z: 0})
models[0] = rModel
//lPlane := sdf.Transform2D(sdf.Cut2D(sdf.Transform2D(plane, sdf.MirrorY()), v2.Vec{X: 0, Y: 0}, v2.Vec{X: 0, Y: 1}), sdf.MirrorY())
lModel := sdf.Transform3D(sdf.Cut3D(sdf.Transform3D(model, sdf.MirrorXY()), v3.Vec{X: 0, Y: 0, Z: 0}, v3.Vec{X: 0, Y: 1, Z: 0}), sdf.MirrorXY())
models[1] = lModel
return models
}