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Improve line-related samples #12

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a476097
Fix lines being rendered at half width.
player-03 Oct 4, 2026
c671e14
Lines: Use `FogMethod` for the grid.
player-03 Oct 4, 2026
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15 changes: 9 additions & 6 deletions intermediate/Lines/Source/Main.hx
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Original file line number Diff line number Diff line change
Expand Up @@ -56,6 +56,8 @@ import away3d.core.base.Geometry;
import away3d.entities.Mesh;
import away3d.entities.SegmentSet;
import away3d.filters.MotionBlurFilter3D;
import away3d.materials.ColorMaterial;
import away3d.materials.methods.FogMethod;
import away3d.materials.TextureMaterial;
import away3d.primitives.LineSegment;
import away3d.primitives.PlaneGeometry;
Expand Down Expand Up @@ -153,7 +155,9 @@ class Main extends Sprite {
_view.scene.addChild(_gridContainer);

// Create the vector of segment sets.
_grid = new SegmentSet();
var gridColor:ColorMaterial = new ColorMaterial(0x00A000);
_grid = new SegmentSet(gridColor, false);
gridColor.addMethod(new FogMethod(0, _hgt, 0x000000));
_gridContainer.addChild(_grid);

// Setup some vars for reuse
Expand All @@ -168,27 +172,26 @@ class Main extends Sprite {
var last:Vector3D = new Vector3D(-wBy2, 0, -hBy2 + (gY * hGap) );
var next:Vector3D = new Vector3D();

var col:UInt = Std.int(0xA0 - (gY/_stepsY * 0xA0)) << 8;
for (gX in 0..._stepsX) {
next = new Vector3D(-wBy2 + (gX * wGap), 0, -hBy2 + (gY * hGap) );
_grid.addSegment(new LineSegment(last, next, col, col, 0.75));
_grid.addSegment(new LineSegment(last, next, 1.5));
ctr++;
last = next;
}
}

//Add rolling spheres
_sphere1 = new WireframeSphere(200, 16, 12, 0xffffff, 0.5);
_sphere1 = new WireframeSphere(200, 16, 12, 0xffffff, 1);
_sphere1.x = -wBy2 * 0.4; // Off to the left a bit
_sphere1.z = -hBy2 * 0.5;
_gridContainer.addChild(_sphere1);

_sphere2 = new WireframeSphere(200, 16, 12, 0xff0000, 0.5);
_sphere2 = new WireframeSphere(200, 16, 12, 0xff0000, 1);
_sphere2.x = wBy2 * 0.4; // Off to the right a bit
_sphere2.z = -hBy2 * 0.5;
_gridContainer.addChild(_sphere2);

_sphere3 = new WireframeSphere(100, 16, 12, 0x0000ff, 0.5);
_sphere3 = new WireframeSphere(100, 16, 12, 0x0000ff, 1);
_sphere3.z = -hBy2 * 0.5; // Off to the left a bit
_gridContainer.addChild(_sphere3);

Expand Down
4 changes: 2 additions & 2 deletions intermediate/MouseInteraction/Source/Main.hx
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Expand Up @@ -212,14 +212,14 @@ class Main extends Sprite
// To trace picking normals.
pickingNormalTracer = new SegmentSet();
pickingNormalTracer.mouseEnabled = pickingNormalTracer.mouseChildren = false;
var lineSegment1:LineSegment = new LineSegment( new Vector3D(), new Vector3D(), 0xFFFFFF, 0xFFFFFF, 3 );
var lineSegment1:LineSegment = new LineSegment( new Vector3D(), new Vector3D(), 0xFFFFFF, 0xFFFFFF, 6 );
pickingNormalTracer.addSegment( lineSegment1 );
pickingNormalTracer.visible = false;
view.scene.addChild( pickingNormalTracer );

sceneNormalTracer = new SegmentSet();
sceneNormalTracer.mouseEnabled = sceneNormalTracer.mouseChildren = false;
var lineSegment2:LineSegment = new LineSegment( new Vector3D(), new Vector3D(), 0xFFFFFF, 0xFFFFFF, 3 );
var lineSegment2:LineSegment = new LineSegment( new Vector3D(), new Vector3D(), 0xFFFFFF, 0xFFFFFF, 6 );
sceneNormalTracer.addSegment( lineSegment2 );
sceneNormalTracer.visible = false;
view.scene.addChild( sceneNormalTracer );
Expand Down