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improve z fighting adjust for preview voxels and highlights

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This commit is contained in:
ZappoMan 2014-02-20 23:47:46 -08:00
parent 7026436dee
commit fb06512e67
1 changed files with 40 additions and 37 deletions
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77
examples/editVoxels.js
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@ -24,6 +24,9 @@ var ORBIT_RATE_ALTITUDE = 200.0;
var ORBIT_RATE_AZIMUTH = 90.0;
var PIXELS_PER_EXTRUDE_VOXEL = 16;
var zFightingSizeAdjust = 0.002; // used to adjust preview voxels to prevent z fighting
var previewLineWidth = 1.5;
var oldMode = Camera.getMode();
var key_alt = false;
@ -98,7 +101,7 @@ var linePreviewTop = Overlays.addOverlay("line3d", {
color: { red: 255, green: 255, blue: 255},
alpha: 1,
visible: false,
lineWidth: 1
lineWidth: previewLineWidth
});
var linePreviewBottom = Overlays.addOverlay("line3d", {
@ -107,7 +110,7 @@ var linePreviewBottom = Overlays.addOverlay("line3d", {
color: { red: 255, green: 255, blue: 255},
alpha: 1,
visible: false,
lineWidth: 1
lineWidth: previewLineWidth
});
var linePreviewLeft = Overlays.addOverlay("line3d", {
@ -116,7 +119,7 @@ var linePreviewLeft = Overlays.addOverlay("line3d", {
color: { red: 255, green: 255, blue: 255},
alpha: 1,
visible: false,
lineWidth: 1
lineWidth: previewLineWidth
});
var linePreviewRight = Overlays.addOverlay("line3d", {
@ -125,7 +128,7 @@ var linePreviewRight = Overlays.addOverlay("line3d", {
color: { red: 255, green: 255, blue: 255},
alpha: 1,
visible: false,
lineWidth: 1
lineWidth: previewLineWidth
});
@ -356,82 +359,82 @@ function calculateVoxelFromIntersection(intersection, operation) {
// now we also want to calculate the "edge square" for the face for this voxel
if (intersection.face == "MIN_X_FACE") {
highlightAt.x = intersection.voxel.x;
highlightAt.x = intersection.voxel.x - zFightingSizeAdjust;
resultVoxel.x = intersection.voxel.x;
if (operation == "add") {
resultVoxel.x -= voxelSize;
}
resultVoxel.bottomLeft = {x: highlightAt.x, y: highlightAt.y, z: highlightAt.z };
resultVoxel.bottomRight = {x: highlightAt.x, y: highlightAt.y, z: highlightAt.z + voxelSize };
resultVoxel.topLeft = {x: highlightAt.x, y: highlightAt.y + voxelSize, z: highlightAt.z };
resultVoxel.topRight = {x: highlightAt.x, y: highlightAt.y + voxelSize, z: highlightAt.z + voxelSize };
resultVoxel.bottomLeft = {x: highlightAt.x, y: highlightAt.y + zFightingSizeAdjust, z: highlightAt.z + zFightingSizeAdjust };
resultVoxel.bottomRight = {x: highlightAt.x, y: highlightAt.y + zFightingSizeAdjust, z: highlightAt.z + voxelSize - zFightingSizeAdjust };
resultVoxel.topLeft = {x: highlightAt.x, y: highlightAt.y + voxelSize - zFightingSizeAdjust, z: highlightAt.z + zFightingSizeAdjust };
resultVoxel.topRight = {x: highlightAt.x, y: highlightAt.y + voxelSize - zFightingSizeAdjust, z: highlightAt.z + voxelSize - zFightingSizeAdjust };
} else if (intersection.face == "MAX_X_FACE") {
highlightAt.x = intersection.voxel.x + intersection.voxel.s;
highlightAt.x = intersection.voxel.x + intersection.voxel.s + zFightingSizeAdjust;
resultVoxel.x = intersection.voxel.x + intersection.voxel.s;
if (operation != "add") {
resultVoxel.x -= voxelSize;
}
resultVoxel.bottomLeft = {x: highlightAt.x, y: highlightAt.y, z: highlightAt.z };
resultVoxel.bottomRight = {x: highlightAt.x, y: highlightAt.y, z: highlightAt.z + voxelSize };
resultVoxel.topLeft = {x: highlightAt.x, y: highlightAt.y + voxelSize, z: highlightAt.z };
resultVoxel.topRight = {x: highlightAt.x, y: highlightAt.y + voxelSize, z: highlightAt.z + voxelSize };
resultVoxel.bottomRight = {x: highlightAt.x, y: highlightAt.y + zFightingSizeAdjust, z: highlightAt.z + zFightingSizeAdjust };
resultVoxel.bottomLeft = {x: highlightAt.x, y: highlightAt.y + zFightingSizeAdjust, z: highlightAt.z + voxelSize - zFightingSizeAdjust };
resultVoxel.topRight = {x: highlightAt.x, y: highlightAt.y + voxelSize - zFightingSizeAdjust, z: highlightAt.z + zFightingSizeAdjust };
resultVoxel.topLeft = {x: highlightAt.x, y: highlightAt.y + voxelSize - zFightingSizeAdjust, z: highlightAt.z + voxelSize - zFightingSizeAdjust };
} else if (intersection.face == "MIN_Y_FACE") {
highlightAt.y = intersection.voxel.y;
highlightAt.y = intersection.voxel.y - zFightingSizeAdjust;
resultVoxel.y = intersection.voxel.y;
if (operation == "add") {
resultVoxel.y -= voxelSize;
}
resultVoxel.bottomLeft = {x: highlightAt.x, y: highlightAt.y, z: highlightAt.z };
resultVoxel.bottomRight = {x: highlightAt.x + voxelSize , y: highlightAt.y, z: highlightAt.z};
resultVoxel.topLeft = {x: highlightAt.x, y: highlightAt.y, z: highlightAt.z + voxelSize };
resultVoxel.topRight = {x: highlightAt.x + voxelSize , y: highlightAt.y, z: highlightAt.z + voxelSize};
resultVoxel.topRight = {x: highlightAt.x + zFightingSizeAdjust , y: highlightAt.y, z: highlightAt.z + zFightingSizeAdjust };
resultVoxel.topLeft = {x: highlightAt.x + voxelSize - zFightingSizeAdjust, y: highlightAt.y, z: highlightAt.z + zFightingSizeAdjust };
resultVoxel.bottomRight = {x: highlightAt.x + zFightingSizeAdjust , y: highlightAt.y, z: highlightAt.z + voxelSize - zFightingSizeAdjust };
resultVoxel.bottomLeft = {x: highlightAt.x + voxelSize - zFightingSizeAdjust , y: highlightAt.y, z: highlightAt.z + voxelSize - zFightingSizeAdjust };
} else if (intersection.face == "MAX_Y_FACE") {
highlightAt.y = intersection.voxel.y + intersection.voxel.s;
highlightAt.y = intersection.voxel.y + intersection.voxel.s + zFightingSizeAdjust;
resultVoxel.y = intersection.voxel.y + intersection.voxel.s;
if (operation != "add") {
resultVoxel.y -= voxelSize;
}
resultVoxel.bottomLeft = {x: highlightAt.x, y: highlightAt.y, z: highlightAt.z };
resultVoxel.bottomRight = {x: highlightAt.x + voxelSize , y: highlightAt.y, z: highlightAt.z};
resultVoxel.topLeft = {x: highlightAt.x, y: highlightAt.y, z: highlightAt.z + voxelSize };
resultVoxel.topRight = {x: highlightAt.x + voxelSize , y: highlightAt.y, z: highlightAt.z + voxelSize};
resultVoxel.bottomRight = {x: highlightAt.x + zFightingSizeAdjust, y: highlightAt.y, z: highlightAt.z + zFightingSizeAdjust };
resultVoxel.bottomLeft = {x: highlightAt.x + voxelSize - zFightingSizeAdjust, y: highlightAt.y, z: highlightAt.z + zFightingSizeAdjust};
resultVoxel.topRight = {x: highlightAt.x + zFightingSizeAdjust, y: highlightAt.y, z: highlightAt.z + voxelSize - zFightingSizeAdjust};
resultVoxel.topLeft = {x: highlightAt.x + voxelSize - zFightingSizeAdjust, y: highlightAt.y, z: highlightAt.z + voxelSize - zFightingSizeAdjust};
} else if (intersection.face == "MIN_Z_FACE") {
highlightAt.z = intersection.voxel.z;
highlightAt.z = intersection.voxel.z - zFightingSizeAdjust;
resultVoxel.z = intersection.voxel.z;
if (operation == "add") {
resultVoxel.z -= voxelSize;
}
resultVoxel.bottomLeft = {x: highlightAt.x, y: highlightAt.y, z: highlightAt.z };
resultVoxel.bottomRight = {x: highlightAt.x + voxelSize , y: highlightAt.y, z: highlightAt.z};
resultVoxel.topLeft = {x: highlightAt.x, y: highlightAt.y + voxelSize, z: highlightAt.z };
resultVoxel.topRight = {x: highlightAt.x + voxelSize , y: highlightAt.y + voxelSize, z: highlightAt.z};
resultVoxel.bottomRight = {x: highlightAt.x + zFightingSizeAdjust, y: highlightAt.y + zFightingSizeAdjust, z: highlightAt.z };
resultVoxel.bottomLeft = {x: highlightAt.x + voxelSize - zFightingSizeAdjust, y: highlightAt.y + zFightingSizeAdjust, z: highlightAt.z};
resultVoxel.topRight = {x: highlightAt.x + zFightingSizeAdjust, y: highlightAt.y + voxelSize - zFightingSizeAdjust, z: highlightAt.z };
resultVoxel.topLeft = {x: highlightAt.x + voxelSize - zFightingSizeAdjust, y: highlightAt.y + voxelSize - zFightingSizeAdjust, z: highlightAt.z};
} else if (intersection.face == "MAX_Z_FACE") {
highlightAt.z = intersection.voxel.z + intersection.voxel.s;
highlightAt.z = intersection.voxel.z + intersection.voxel.s + zFightingSizeAdjust;
resultVoxel.z = intersection.voxel.z + intersection.voxel.s;
if (operation != "add") {
resultVoxel.z -= voxelSize;
}
resultVoxel.bottomLeft = {x: highlightAt.x, y: highlightAt.y, z: highlightAt.z };
resultVoxel.bottomRight = {x: highlightAt.x + voxelSize , y: highlightAt.y, z: highlightAt.z};
resultVoxel.topLeft = {x: highlightAt.x, y: highlightAt.y + voxelSize, z: highlightAt.z };
resultVoxel.topRight = {x: highlightAt.x + voxelSize , y: highlightAt.y + voxelSize, z: highlightAt.z};
resultVoxel.bottomLeft = {x: highlightAt.x + zFightingSizeAdjust, y: highlightAt.y + zFightingSizeAdjust, z: highlightAt.z };
resultVoxel.bottomRight = {x: highlightAt.x + voxelSize - zFightingSizeAdjust, y: highlightAt.y + zFightingSizeAdjust, z: highlightAt.z};
resultVoxel.topLeft = {x: highlightAt.x + zFightingSizeAdjust, y: highlightAt.y + voxelSize - zFightingSizeAdjust, z: highlightAt.z };
resultVoxel.topRight = {x: highlightAt.x + voxelSize - zFightingSizeAdjust, y: highlightAt.y + voxelSize - zFightingSizeAdjust, z: highlightAt.z};
}
@ -466,7 +469,7 @@ function showPreviewVoxel() {
guidePosition = calculateVoxelFromIntersection(intersection,"delete");
Overlays.editOverlay(voxelPreview, {
position: guidePosition,
size: guidePosition.s,
size: guidePosition.s + zFightingSizeAdjust,
visible: true,
color: { red: 255, green: 0, blue: 0 },
solid: false,
@ -477,7 +480,7 @@ function showPreviewVoxel() {
Overlays.editOverlay(voxelPreview, {
position: guidePosition,
size: guidePosition.s + 0.002,
size: guidePosition.s + zFightingSizeAdjust,
visible: true,
color: voxelColor,
solid: true,
@ -490,7 +493,7 @@ function showPreviewVoxel() {
Overlays.editOverlay(voxelPreview, {
position: guidePosition,
size: guidePosition.s,
size: (guidePosition.s - zFightingSizeAdjust),
visible: true,
color: voxelColor,
solid: true,