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Point planet renderer

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This commit is contained in:
Anuken
2020-01-07 20:09:21 -05:00
parent 6f25ba4541
commit cf5e8c6463
2 changed files with 45 additions and 18 deletions
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61
core/src/mindustry/graphics/PlanetRenderer.java
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@@ -4,35 +4,62 @@ import arc.*;
import arc.graphics.*; import arc.graphics.*;
import arc.graphics.g2d.*; import arc.graphics.g2d.*;
import arc.graphics.g3d.*; import arc.graphics.g3d.*;
import arc.math.*;
import arc.util.*; import arc.util.*;
public class PlanetRenderer{ public class PlanetRenderer{
private ImmediateRenderer3D rend = new ImmediateRenderer3D(false, true, 0); private ImmediateRenderer3D rend = new ImmediateRenderer3D(true, true, 0);
private Camera3D cam = new Camera3D(); private Camera3D cam = new Camera3D();
public void draw(){ public void draw(){
Draw.flush(); Draw.flush();
Gl.clear(Gl.depthBufferBit); Gl.clearColor(0, 0, 0, 1);
//Gl.clear(Gl.depthBufferBit | Gl.colorBufferBit);
Gl.lineWidth(40f);
Tmp.v1.trns(Time.time() * 2f, 30f); Tmp.v1.trns(Time.time() / 4f, 20f);
cam.position.set(Tmp.v1.x, Tmp.v1.y, 10); cam.position.set(Tmp.v1.x, 0f, Tmp.v1.y);
cam.resize(Core.graphics.getWidth(), Core.graphics.getHeight()); cam.resize(Core.graphics.getWidth(), Core.graphics.getHeight());
cam.update();
cam.lookAt(0, 0, 0); cam.lookAt(0, 0, 0);
cam.update(); cam.update();
rend.begin(cam.combined(), Gl.triangleStrip); rend.begin(cam.combined(), Gl.points);
rend.color(Color.red); build(15, 15, 15, 60, 60);
rend.vertex(0f, 0f, 0f);
rend.color(Color.green);
rend.vertex(0f, 5f, 0f);
rend.color(Color.blue);
rend.vertex(0f, 5f, 5f);
rend.color(Color.red);
rend.vertex(0f, 0f, 0f);
rend.color(Color.green);
rend.vertex(0f, 0f, 5f);
rend.color(Color.blue);
rend.vertex(0f, 5f, 5f);
rend.end(); rend.end();
} }
void build(float width, float height, float depth, int divisionsU, int divisionsV) {
float angleUFrom = 0, angleUTo = 360f, angleVFrom = 0, angleVTo = 180f;
final float hw = width * 0.5f;
final float hh = height * 0.5f;
final float hd = depth * 0.5f;
final float auo = Mathf.degRad * angleUFrom;
final float stepU = (Mathf.degRad * (angleUTo - angleUFrom)) / divisionsU;
final float avo = Mathf.degRad * angleVFrom;
final float stepV = (Mathf.degRad * (angleVTo - angleVFrom)) / divisionsV;
final float us = 1f / divisionsU;
final float vs = 1f / divisionsV;
float u, v, angleU, angleV;
final int s = divisionsU + 3;
int tempOffset = 0;
for (int iv = 0; iv <= divisionsV; iv++) {
angleV = avo + stepV * iv;
v = vs * iv;
final float t = Mathf.sin(angleV);
final float h = Mathf.cos(angleV) * hh;
for (int iu = 0; iu <= divisionsU; iu++) {
angleU = auo + stepU * iu;
u = 1f - us * iu;
Tmp.v31.set(Mathf.cos(angleU) * hw * t, h, Mathf.sin(angleU) * hd * t);
rend.color(Color.white);
rend.normal(Tmp.v32.set(Tmp.v31).nor());
rend.texCoord(u, v);
rend.vertex(Tmp.v31);
}
}
}
} }

2
gradle.properties
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@@ -1,3 +1,3 @@
org.gradle.daemon=true org.gradle.daemon=true
org.gradle.jvmargs=-Xms256m -Xmx1024m org.gradle.jvmargs=-Xms256m -Xmx1024m
archash=9f70d5a39a910bd855430d74e41d0b8753b47442 archash=dbdce4d5bfcf9d53dd21480c7d14e90a637eaa8e