Java tutorial
/* * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools | Templates * and open the template in the editor. */ package opengl.test.object.endgame; import Utils.objLoad; import Utils.Matrix4F; import java.nio.ByteBuffer; import java.nio.FloatBuffer; import java.nio.IntBuffer; import java.util.Scanner; import java.util.logging.Level; import java.util.logging.Logger; import Utils.objLoad; import java.io.FileInputStream; import java.io.FileNotFoundException; import opengl.test.Caro; import opengl.test.object.object; import org.lwjgl.BufferUtils; import org.lwjgl.opengl.GL11; import org.lwjgl.opengl.GL15; import org.lwjgl.opengl.GL20; import org.lwjgl.opengl.GL30; import org.lwjgl.stb.STBImage; /** * * @author castiel */ public class endgame extends object { public static int win = 0; public static int lose = 1; public static int draw = 2; public int status = 0; private int size = 0; private int textureIDWIN; private int textureIDLOSE; private int textureIDDRAW; /** * * @param vao * @param XO */ public endgame(int vao) { Logger.getGlobal().entering("endgame", "endgame", new Object[] { vao }); if (vao == 0) throw new IllegalArgumentException("init : paramaters is null "); this.vao = vao; this.programID = GL20.glCreateProgram(); this.vertexShader("opengl/test/object/object.vs"); this.fragmentShader("opengl/test/object/object.fs"); this.link(); this.initVertex(); this.initUniformValues(); } @Override protected void initVertex() { GL30.glBindVertexArray(vao);//bind vao Object[] dataInput = objLoad.Wavefront( endgame.class.getClassLoader().getResourceAsStream("opengl/test/object/endgame/endgame.obj"), 1.0f, 1.0f, 1.0f); super.dataBuffer = (FloatBuffer) dataInput[0]; this.size = (int) dataInput[1]; this.vbo = GL15.glGenBuffers(); GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, this.vbo); GL15.glBufferData(GL15.GL_ARRAY_BUFFER, super.dataBuffer, GL15.GL_STATIC_DRAW); this.VertexAttribPointer(); IntBuffer w = BufferUtils.createIntBuffer(1); IntBuffer h = BufferUtils.createIntBuffer(1); IntBuffer comp = BufferUtils.createIntBuffer(1); STBImage.stbi_set_flip_vertically_on_load(1); ByteBuffer image = STBImage.stbi_load("resource/win.png", w, h, comp, 0); textureIDWIN = GL11.glGenTextures(); GL11.glBindTexture(GL11.GL_TEXTURE_2D, textureIDWIN); GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_S, GL11.GL_REPEAT); GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_T, GL11.GL_REPEAT); GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_LINEAR); GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_LINEAR); GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0, GL11.GL_RGBA, w.get(0), h.get(0), 0, GL11.GL_RGBA, GL11.GL_UNSIGNED_BYTE, image); image = STBImage.stbi_load("resource/lose.png", w, h, comp, 0); textureIDLOSE = GL11.glGenTextures(); GL11.glBindTexture(GL11.GL_TEXTURE_2D, textureIDLOSE); GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_S, GL11.GL_REPEAT); GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_T, GL11.GL_REPEAT); GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_LINEAR); GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_LINEAR); GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0, GL11.GL_RGBA, w.get(0), h.get(0), 0, GL11.GL_RGBA, GL11.GL_UNSIGNED_BYTE, image); image = STBImage.stbi_load("resource/draw.png", w, h, comp, 0); textureIDDRAW = GL11.glGenTextures(); GL11.glBindTexture(GL11.GL_TEXTURE_2D, textureIDDRAW); GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_S, GL11.GL_REPEAT); GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_T, GL11.GL_REPEAT); GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_LINEAR); GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_LINEAR); GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0, GL11.GL_RGBA, w.get(0), h.get(0), 0, GL11.GL_RGBA, GL11.GL_UNSIGNED_BYTE, image); GL30.glBindVertexArray(0);//unbind vao } /** * Method nay duoc tach rieng ra tu initVertex * Vi render nhieu doi tuong neu dung Multi vbo --> truoc khi draw phai bind lai vbo --> moi lan bind lai se phai set lai VertexAttribPointer */ @Override protected void VertexAttribPointer() { if (this.vbo == 0) throw new RuntimeException("Chua khoi tao VBO"); int positionID = GL20.glGetAttribLocation(programID, "position"); GL20.glEnableVertexAttribArray(positionID); GL20.glVertexAttribPointer(positionID, 3, GL11.GL_FLOAT, false, 8 * 4, 0);// float size = 4 byte --> next is 3*4 byte // size = 3 --> position = x,y,z vec3 int colorID = GL20.glGetAttribLocation(programID, "color"); GL20.glEnableVertexAttribArray(colorID); GL20.glVertexAttribPointer(colorID, 3, GL11.GL_FLOAT, false, 8 * 4, 3 * 4); // size = 3 --> vec3 int texcoordID = GL20.glGetAttribLocation(programID, "texcoord"); GL20.glEnableVertexAttribArray(texcoordID); GL20.glVertexAttribPointer(texcoordID, 2, GL11.GL_FLOAT, false, 8 * 4, 6 * 4); // size = 2 --> vec2 } @Override protected void initUniformValues() { this.bind(); modelID = GL20.glGetUniformLocation(this.getProgramID(), "model"); Matrix4F m = new Matrix4F(); GL20.glUniformMatrix4fv(modelID, false, m.toFloatBuffer()); viewID = GL20.glGetUniformLocation(this.getProgramID(), "view"); Matrix4F v = new Matrix4F(); GL20.glUniformMatrix4fv(viewID, false, v.toFloatBuffer()); projectionID = GL20.glGetUniformLocation(this.getProgramID(), "projection"); Matrix4F p = new Matrix4F(); GL20.glUniformMatrix4fv(projectionID, false, p.toFloatBuffer()); this.unbind(); } public void render(int status) { this.bind();// use porgrma --> ket thuc disable program GL30.glBindVertexArray(this.vao);// bind vao -- > unbind vao GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, this.vbo); this.VertexAttribPointer(); GL20.glEnableVertexAttribArray(0);// set index ve 0 if (status == endgame.win) GL11.glBindTexture(GL11.GL_TEXTURE_2D, textureIDWIN); else if (status == endgame.lose) GL11.glBindTexture(GL11.GL_TEXTURE_2D, textureIDLOSE); else GL11.glBindTexture(GL11.GL_TEXTURE_2D, textureIDDRAW); GL11.glDrawArrays(GL11.GL_TRIANGLES, 0, this.size); //GL11.glDrawElements(GL11.GL_TRIANGLES, this.indices.capacity(), GL11.GL_UNSIGNED_INT, 0);// capacity --> luon luon chua max //GL11. GL20.glDisableVertexAttribArray(0);// disable GL30.glBindVertexArray(0);// unbind vao this.unbind();// dsiable program } @Override protected void render() { throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates. } }