com.daxie.joglf.gl.drawer.DynamicSpheresDrawer Maven / Gradle / Ivy

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package com.daxie.joglf.gl.drawer;

import java.nio.Buffer;
import java.nio.FloatBuffer;
import java.nio.IntBuffer;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.TreeMap;

import com.daxie.basis.coloru8.ColorU8;
import com.daxie.basis.vector.Vector;
import com.daxie.basis.vector.VectorFunctions;
import com.daxie.joglf.gl.shader.GLShaderFunctions;
import com.daxie.joglf.gl.shape.Sphere;
import com.daxie.joglf.gl.wrapper.GLWrapper;
import com.daxie.log.LogFile;
import com.jogamp.common.nio.Buffers;
import com.jogamp.opengl.GL4;

/**
 * Draws spheres.
 * @author Daba
 *
 */
public class DynamicSpheresDrawer extends Dynamic3DDrawer{
	private Map spheres_map;
	private Map indices_sizes_map;
	
	private int buffer_num;
	
	private IntBuffer indices_vbo;
	private IntBuffer pos_vbo;
	private IntBuffer dif_vbo;
	private IntBuffer vao;
	
	public DynamicSpheresDrawer() {
		spheres_map=new TreeMap<>();
		indices_sizes_map=new HashMap<>();
		
		buffer_num=0;
	}
	
	@Override
	public void SetDefaultProgram() {
		this.RemoveAllShaders();
		this.AddProgram("color");
	}
	
	@Override
	public void UpdateBuffers() {
		int sphere_num=spheres_map.size();
		
		if(buffer_num!=0)this.DeleteBuffers();
		
		indices_vbo=Buffers.newDirectIntBuffer(sphere_num);
		pos_vbo=Buffers.newDirectIntBuffer(sphere_num);
		dif_vbo=Buffers.newDirectIntBuffer(sphere_num);
		vao=Buffers.newDirectIntBuffer(sphere_num);
		
		GLWrapper.glGenBuffers(sphere_num, indices_vbo);
		GLWrapper.glGenBuffers(sphere_num, pos_vbo);
		GLWrapper.glGenBuffers(sphere_num, dif_vbo);
		GLWrapper.glGenVertexArrays(sphere_num, vao);
		
		buffer_num=sphere_num;
		
		int buffer_count=0;
		for(Sphere sphere:spheres_map.values()) {
			Vector center=sphere.GetCenter();
			float radius=sphere.GetRadius();
			int slice_num=sphere.GetSliceNum();
			int stack_num=sphere.GetStackNum();
			ColorU8 color=sphere.GetColor();
			
			List vertices=new ArrayList<>();
			List indices=new ArrayList<>();
			
			int vertex_num=slice_num*(stack_num-1)+2;
			
			//North pole
			vertices.add(VectorFunctions.VGet(0.0f, 1.0f, 0.0f));
			
			//Middle
			for(int i=1;i program_names=this.GetProgramNames();
		
		for(String program_name:program_names) {
			GLShaderFunctions.UseProgram(program_name);
			
			for(int i=0;i