UnrealXR/raylib-go
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Physics: fix wrong max float

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fltMax constant seems to have incorrect value '3.402823466 + 38' instead of '3.402823466e+38'.
But anyway, it makes more sense to use corresponding constant from math lib.
This commit is contained in:
Yury Kotov 2022-01-04 01:08:17 +01:00
parent 96b53871d5
commit 2b5dfe3719
1 changed files with 4 additions and 5 deletions
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9
physics/physics.go
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@ -118,7 +118,6 @@ const (
penetrationAllowance = 0.05 penetrationAllowance = 0.05
penetrationCorrection = 0.4 penetrationCorrection = 0.4
fltMax = 3.402823466 + 38
epsilon = 0.000001 epsilon = 0.000001
) )
@ -891,7 +890,7 @@ func (m *manifold) solveCircleToPolygon() {
// Find edge with minimum penetration // Find edge with minimum penetration
// It is the same concept as using support points in solvePolygonToPolygon // It is the same concept as using support points in solvePolygonToPolygon
separation := float32(-fltMax) separation := float32(-math.MaxFloat32)
faceNormal := 0 faceNormal := 0
vertexData := m.BodyB.Shape.VertexData vertexData := m.BodyB.Shape.VertexData
@ -1251,7 +1250,7 @@ func (m *manifold) correctPositions() {
// getSupport - Returns the extreme point along a direction within a polygon // getSupport - Returns the extreme point along a direction within a polygon
func getSupport(shape Shape, dir rl.Vector2) rl.Vector2 { func getSupport(shape Shape, dir rl.Vector2) rl.Vector2 {
bestProjection := float32(-fltMax) bestProjection := float32(-math.MaxFloat32)
bestVertex := rl.Vector2{} bestVertex := rl.Vector2{}
for i := 0; i < shape.VertexData.VertexCount; i++ { for i := 0; i < shape.VertexData.VertexCount; i++ {
@ -1270,7 +1269,7 @@ func getSupport(shape Shape, dir rl.Vector2) rl.Vector2 {
// findAxisLeastPenetration - Finds polygon shapes axis least penetration // findAxisLeastPenetration - Finds polygon shapes axis least penetration
func findAxisLeastPenetration(shapeA, shapeB Shape) (int, float32) { func findAxisLeastPenetration(shapeA, shapeB Shape) (int, float32) {
bestIndex := 0 bestIndex := 0
bestDistance := float32(-fltMax) bestDistance := float32(-math.MaxFloat32)
dataA := shapeA.VertexData dataA := shapeA.VertexData
dataB := shapeB.VertexData dataB := shapeB.VertexData
@ -1320,7 +1319,7 @@ func findIncidentFace(v0, v1 *rl.Vector2, ref, inc Shape, index int) {
// Find most anti-normal face on polygon // Find most anti-normal face on polygon
incidentFace := 0 incidentFace := 0
minDot := float32(fltMax) minDot := float32(math.MaxFloat32)
for i := 0; i < incData.VertexCount; i++ { for i := 0; i < incData.VertexCount; i++ {
dot := rl.Vector2DotProduct(referenceNormal, incData.Normals[i]) dot := rl.Vector2DotProduct(referenceNormal, incData.Normals[i])