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invert core vertex pos loop

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Ronja 2022-01-24 18:49:17 +01:00
parent 4f31a4da34
commit b09b2f1587
1 changed files with 6 additions and 10 deletions
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16
modifiers/trail/trail.wren
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@ -301,15 +301,12 @@ class TrailSystem is ModifierSystem {
var step = data.length / data.subdivisions_length
System.print(1 - instance_data.progress_since_last_point / step)
var point_index = -1
var point_index = instance_data.points.count - 1
while(true){
point_index = point_index + 1
if(point_index >= instance_data.points.count - 1) break
point_index = point_index - 1
if(point_index < 0) break
i = i + 1
var x = instance_data.points.count - i
var p:Point = instance_data.points[point_index]
var next:Point = instance_data.points[point_index + 1]
@ -335,7 +332,6 @@ class TrailSystem is ModifierSystem {
Math.normalize(up)
//pos_x = to.x
//pos_y = to.y
//pos_z = to.z
@ -349,9 +345,9 @@ class TrailSystem is ModifierSystem {
var offset_x = Math.lerp(-up.x, up.x, t)
var offset_y = Math.lerp(-up.y, up.y, t)
var offset_z = Math.lerp(-up.z, up.z, t)
positions[x*4*data.subdivisions_width + y*4 + 0] = pos.x + offset_x * data.edge_length * 0.5
positions[x*4*data.subdivisions_width + y*4 + 1] = pos.y + offset_y * data.edge_length * 0.5
positions[x*4*data.subdivisions_width + y*4 + 2] = pos.z + offset_z * data.edge_length * 0.5
positions[i*4*data.subdivisions_width + y*4 + 0] = pos.x + offset_x * data.edge_length * 0.5
positions[i*4*data.subdivisions_width + y*4 + 1] = pos.y + offset_y * data.edge_length * 0.5
positions[i*4*data.subdivisions_width + y*4 + 2] = pos.z + offset_z * data.edge_length * 0.5
}
}