Test_Project_Cocos/DelayNoMore
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Refactored use of SAT collision checking.

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genxium
2022-10-19 17:32:18 +08:00
parent 3baaf1d52c
commit 1959a7fd9a
4 changed files with 211 additions and 102 deletions
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26
collider_visualizer/worldColliderDisplay.go
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@@ -4,6 +4,7 @@ import (
. "dnmshared"
"fmt"
"github.com/hajimehoshi/ebiten/v2"
"github.com/kvartborg/vector"
"github.com/solarlune/resolv"
"go.uber.org/zap"
"image/color"
@@ -56,7 +57,7 @@ func NewWorldColliderDisplay(game *Game, stageDiscreteW, stageDiscreteH, stageTi
if moveToCollide {
toTestPlayerCollider := playerColliders[0]
oldDx := 0.0
oldDy := 180.0
oldDy := 135.0
dx := oldDx
dy := oldDy
if collision := toTestPlayerCollider.Check(oldDx, oldDy, "Barrier"); collision != nil {
@@ -64,11 +65,26 @@ func NewWorldColliderDisplay(game *Game, stageDiscreteW, stageDiscreteH, stageTi
barrierShape := collision.Objects[0].Shape.(*resolv.ConvexPolygon)
origX, origY := playerShape.Position()
playerShape.SetPosition(origX+oldDx, origY+oldDy)
if mtv := CalculateMTVForConvexPolygon(playerShape, barrierShape); mtv != nil {
Logger.Info(fmt.Sprintf("Collided: shape=%v, oldDx=%v, oldDy=%v, MTV=%v", toTestPlayerCollider.Shape, oldDx, oldDy, mtv))
//dx, dy = mtv[0], mtv[1]
if colliding := IsPolygonPairColliding(playerShape, barrierShape, nil); colliding {
Logger.Info(fmt.Sprintf("Collided: playerShape=%v, oldDx=%v, oldDy=%v", playerShape, oldDx, oldDy))
overlapResult := &SatResult{
Overlap: 0,
OverlapX: 0,
OverlapY: 0,
AContainedInB: true,
BContainedInA: true,
Axis: vector.Vector{0, 0},
}
e := vector.Vector{oldDx, oldDy}.Unit()
if separatableAlongMovement := IsPolygonPairSeparatedByDir(playerShape, barrierShape, e, overlapResult); !separatableAlongMovement {
pushbackX, pushbackY := overlapResult.Overlap*overlapResult.OverlapX, overlapResult.Overlap*overlapResult.OverlapY
Logger.Info(fmt.Sprintf("Collided: playerShape=%v, oldDx=%v, oldDy=%v, toCheckBarrier=%v, pushbackX=%v, pushbackY=%v", playerShape, oldDx, oldDy, barrierShape, pushbackX, pushbackY))
dx, dy = oldDx-pushbackX, oldDy-pushbackY
} else {
Logger.Info(fmt.Sprintf("Not Collided: playerShape=%v, oldDx=%v, oldDy=%v, toCheckBarrier=%v, e=%v", playerShape, oldDx, oldDy, barrierShape, e))
}
} else {
Logger.Info(fmt.Sprintf("Collided: shape=%v, oldDx=%v, oldDy=%v, toCheckBarrier=%v, not intersecting", toTestPlayerCollider.Shape, oldDx, oldDy, barrierShape))
Logger.Info(fmt.Sprintf("Not collided: playerShape=%v, oldDx=%v, oldDy=%v, toCheckBarrier=%v", playerShape, oldDx, oldDy, barrierShape))
}
playerShape.SetPosition(origX, origY)