added IRenderContext3D.clearDepth

com/danitheskunk/skunkworks/Test3D.java

@@ -1,5 +1,6 @@
 package com.danitheskunk.skunkworks;
 
+import com.danitheskunk.skunkworks.gfx.Color;
 import com.danitheskunk.skunkworks.gfx.IRenderContext;
 import com.danitheskunk.skunkworks.gfx.ITexture;
 import com.danitheskunk.skunkworks.gfx.Image;
@@ -12,6 +13,7 @@ import java.nio.IntBuffer;
 @SuppressWarnings("ALL")
 public class Test3D extends BaseGame {
 	private final Mesh[] meshes;
+	int trans;
 
 	public Test3D() {
 		super(new Vec2i(1920, 1080), "Skunkworks 3d test");
@@ -20,12 +22,13 @@ public class Test3D extends BaseGame {
 			Assimp.aiGetVersionMinor(),
 			Assimp.aiGetVersionPatch()
 		);
+		trans = 255;
 		var path = "C:\\stream\\models\\Dani.glb";
 		//path = "C:\\stream\\models\\Amber_Arakada_V5_Blendshape.glb";
 		//path = "C:\\stream\\models\\Temp Chan 3.glb";
 		var bytes = engine.loadBytes(path);
 		var flags = Assimp.aiProcess_Triangulate;
-		flags |= Assimp.aiProcess_PreTransformVertices;
+		//flags |= Assimp.aiProcess_PreTransformVertices;
 		var ai = Assimp.aiImportFile(path, flags);
 		if(ai == null) {
 			throw new RuntimeException("couldn't load model because: " +
@@ -53,9 +56,8 @@ public class Test3D extends BaseGame {
 				null
 			);
 			var tpathstr = tpath.dataString();
-			matTex[i] = tpathstr.startsWith("*") ?
-				Integer.parseInt(tpathstr.substring(
-					1)) : -1;
+			matTex[i] = tpathstr.startsWith("*") ? Integer.parseInt(tpathstr.substring(
+				1)) : -1;
 			System.out.printf("tex count: %d, path: %s\n",
 				texCount,
 				tpath.dataString()
@@ -111,8 +113,22 @@ public class Test3D extends BaseGame {
 	@Override
 	protected void render3D(IRenderContext3D rc) {
 		for(int i = 0; i < meshes.length; ++i) {
-			rc.renderMesh(meshes[i]);
+			//rc.renderMesh(meshes[i], new Color(255, 255, 255));
+		}
+		rc.clearDepth();
+		rc.renderMesh(meshes[trans * (meshes.length-1) / 255]);
+		for(int i = 0; i < meshes.length; ++i) {
+			//rc.renderMesh(meshes[i], new Color(255, 255, 255, 255 - trans));
 		}
 		//rc.renderMesh(meshes[14]);
 	}
+
+	@Override
+	protected void update(double delta) {
+		if(trans > 0) {
+			trans -= 1;
+		} else {
+			trans = 255;
+		}
+	}
 }

com/danitheskunk/skunkworks/backends/gl/RenderContext3D.java

@@ -72,6 +72,11 @@ public class RenderContext3D extends BaseRenderContext3D {
 		glEnd();
 	}
 
+	@Override
+	public void clearDepth() {
+		glClear(GL_DEPTH_BUFFER_BIT);
+	}
+
 	@Override
 	public void renderTriangle(Vec3f p1, Vec3f p2, Vec3f p3) {
 		glBegin(GL_TRIANGLES);

com/danitheskunk/skunkworks/gfx/threedee/IRenderContext3D.java

@@ -7,4 +7,5 @@ public interface IRenderContext3D {
 	void renderTriangle(Vec3f p1, Vec3f p2, Vec3f p3);
 	void renderMesh(Mesh mesh);
 	void renderMesh(Mesh mesh, Color tint);
+	void clearDepth();
 }