标题
OpenGLES 1.x相比于OpenGLES 2.x和3.x，不用写着色器，方便许多，今天闲着没事，就写几个类
不过貌似有点问题，难道是我使用方式不对？？？
这个先留着当模板，寒假写个OpenGLES 3.x的
代码
Camera.java
package com.Diamond.gl10try;import android.opengl.*;
import android.renderscript.Float3;
import android.opengl.Matrix;
import android.opengl.GLES11;
import android.renderscript.Matrix4f;
import android.util.Log;public class Camera {
private Float3 m_eye;private Float3 m_center;private Float3 m_up;public Camera() {
m_eye = new Float3();m_center = new Float3(0.0f,0.0f,-1.0f);m_up = new Float3(0.0f,1.0f,0.0f);}public Camera(Float3 eye,Float3 center,Float3 up) {
m_eye = eye;m_center = center;m_up = up;}public Camera setEye(Float3 value) {
m_eye = value;return this;}public Camera setCenter(Float3 value) {
m_center = value;return this;}public Camera setUp(Float3 value) {
m_up = value;return this;}public Float3 getEye() {
return m_eye;}public Float3 getCenter() {
return m_center;}public Float3 getUp() {
return m_up;}public Camera forward(float l) {
m_eye.z = m_eye.z + l;return this;}public Camera back(float l) {
return forward(-l);}public Camera up(float l) {
m_eye.y = m_eye.y + l;return this;}public Camera down(float l) {
return up(-l);}public Camera left(float l) {
m_eye.x = m_eye.x + l;return this;}public Camera right(float l) {
return left(-l);}public static Matrix4f getProjection(float fovy,float aspect,float near,float far) {
Matrix4f matrix = new Matrix4f();matrix.loadIdentity();matrix.loadPerspective(fovy,aspect,near,far);return matrix;}public Matrix4f getView() {
float[] matrix = new float[16];Matrix.setLookAtM(matrix,0,m_eye.x,m_eye.y,m_eye.z,m_center.x,m_center.y,m_center.z,m_up.x,m_up.y,m_up.z);return new Matrix4f(matrix);}public Camera updateCamera() {
Matrix4f matrix = this.getProjection(120.0f,0.5f,0.1f,100.0f);matrix.multiply(getView());GLES11.glMatrixMode(GLES11.GL_PROJECTION);GLES11.glLoadIdentity();GLES11.glMultMatrixf(matrix.getArray(),0);return this;}
}Object.java
package com.Diamond.gl10try;import com.Diamond.gl10try.Vertex;
import android.opengl.*;
import android.renderscript.Float3;
import android.renderscript.Matrix4f;
import android.opengl.GLES11;
import java.nio.FloatBuffer;
import java.nio.ByteBuffer;
import java.nio.ByteOrder;public class Object {
private Float3 m_position;private Float3 m_rotate;private Float3 m_scale;private float[] m_vertices;private float[] m_color;public Object() {
m_position = new Float3();m_rotate = new Float3();m_scale = new Float3();m_vertices = null;m_color = null;}public Object(float[] ver) {
m_position = new Float3();m_rotate = new Float3();m_scale = new Float3();m_vertices = ver;m_color = null;}public Object(float[] ver,float[] col) {
m_position = new Float3();m_rotate = new Float3();m_scale = new Float3();m_vertices = ver;m_color = col;}public Object setVertices(float[] ver) {
m_vertices = ver;return this;}public float[] getVertices() {
return m_vertices;}public Object setColor(float[] col) {
m_color = col;return this;}public float[] getColor() {
return m_color;}public Object translate(Float3 value) {
m_position = value;return this;}public Object rotate(Float3 value) {
m_rotate = value;return this;}public Object scale(Float3 value) {
m_scale = value;return this;}public Float3 getTranslate() {
return m_position;}public Float3 getRotate() {
return m_rotate;}public Float3 getScale() {
return m_scale;}public Matrix4f getModelView() {
Matrix4f modelview = new Matrix4f();modelview.loadIdentity();modelview.translate(m_position.x,m_position.y,m_position.z);modelview.rotate(m_rotate.x,1.0f,0.0f,0.0f);modelview.rotate(m_rotate.y,0.0f,1.0f,0.0f);modelview.rotate(m_rotate.z,0.0f,0.0f,1.0f);modelview.scale(m_scale.x,m_scale.y,m_scale.z);return modelview;}public Object setModelView() {
GLES11.glMatrixMode(GLES11.GL_MODELVIEW);GLES11.glLoadIdentity();GLES11.glMultMatrixf(getModelView().getArray(),0);return this;}public Object setModelView2() {
GLES11.glMatrixMode(GLES11.GL_MODELVIEW);GLES11.glLoadIdentity();GLES11.glTranslatef(m_position.x,m_position.y,m_position.z);GLES11.glRotatef(m_rotate.x,1.0f,0.0f,0.0f);GLES11.glRotatef(m_rotate.y,0.0f,1.0f,0.0f);GLES11.glRotatef(m_rotate.z,0.0f,0.0f,1.0f);GLES11.glScalef(m_scale.x,m_scale.y,m_scale.z);return this;}public static FloatBuffer getBuffer(float[] array) {
ByteBuffer bb = ByteBuffer.allocateDirect(array.length * 4);bb.order(ByteOrder.nativeOrder());FloatBuffer fb = bb.asFloatBuffer();fb.put(array);fb.position(0);return fb;}public Object enableCilent() {
GLES11.glEnableClientState(GLES11.GL_VERTEX_ARRAY);GLES11.glVertexPointer(3,GLES11.GL_FLOAT,0,this.getBuffer(m_vertices));if(m_color != null) {
GLES11.glEnableClientState(GLES11.GL_COLOR_ARRAY);GLES11.glColorPointer(4,GLES11.GL_FLOAT,0,this.getBuffer(m_color));}return this;}public Object disableClient() {
GLES11.glDisableClientState(GLES11.GL_VERTEX_ARRAY);GLES11.glDisableClientState(GLES11.GL_VERTEX_ARRAY);return this;}
}Vertex.java
package com.Diamond.gl10try;import android.renderscript.Float3;
import android.renderscript.Float2;public class Vertex {
public Float3 position;public Float3 normal;public Float2 texCoord;public Vertex() {
position = new Float3();normal = new Float3();texCoord = new Float2();}public Vertex(Float3 pos) {
position = pos;normal = new Float3();texCoord = new Float2();}public Vertex(Float3 pos,Float3 nor) {
position = pos;normal = nor;texCoord = new Float2();}public Vertex(Float3 pos,Float2 tex) {
position = pos;normal = new Float3();texCoord = tex;}public Vertex(Float3 pos,Float3 nor,Float2 tex) {
position = pos;normal = nor;texCoord = tex;}
}