Astronand/Mindustry
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Added icosphere generator

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This commit is contained in:
Anuken
2020-02-27 20:39:41 -05:00
parent dcf75222d9
commit 21bd7a75f0
1 changed files with 19 additions and 2 deletions
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21
core/src/mindustry/graphics/PlanetMesh.java
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@@ -9,6 +9,8 @@ import arc.util.*;
import mindustry.graphics.PlanetGrid.*;
public class PlanetMesh{
private static final Vec3 v1 = new Vec3(), v2 = new Vec3(), v3 = new Vec3(), v4 = new Vec3();
private float[] floats = new float[3 + 3 + 1];
private Vec3 vec = new Vec3();
private Mesh mesh;
@@ -68,11 +70,11 @@ public class PlanetMesh{
shader.end();
}
private void generateMesh(){
private void generateMesh(){
for(Ptile tile : grid.tiles){
Vec3 nor = Tmp.v31.setZero();
Vec3 nor = v1.setZero();
Corner[] c = tile.corners;
for(Corner corner : c){
@@ -117,6 +119,21 @@ public class PlanetMesh{
}
}
//unused, but functional
private void createIcosphere(){
MeshResult result = Icosphere.create(5);
for(int i = 0; i < result.indices.size; i+= 3){
v1.set(result.vertices.items, result.indices.items[i] * 3).setLength(radius).setLength(radius + elevation(v1)*intensity);
v2.set(result.vertices.items, result.indices.items[i + 1] * 3).setLength(radius).setLength(radius + elevation(v2)*intensity);
v3.set(result.vertices.items, result.indices.items[i + 2] * 3).setLength(radius).setLength(radius + elevation(v3)*intensity);
verts(v1, v3, v2,
normal(v1, v2, v3).scl(-1f),
color(v4.set(v1).add(v2).add(v3).scl(1f / 3f))
);
}
}
private Vec3 normal(Vec3 v1, Vec3 v2, Vec3 v3){
return Tmp.v32.set(v2).sub(v1).crs(v3.x - v1.x, v3.y - v1.y, v3.z - v1.z).nor();
}