/** *************************** GL FUNCTIONS ************************** */
@TargetApi(8)
private void setLight(int _program) {
// rotate the light?
if (lightRotate) {
angle += 0.000005f;
if (angle >= 6.2) angle = 0.0f;
// rotate light about y-axis
float newPosX = (float) (Math.cos(angle) * lightPos[0] - Math.sin(angle) * lightPos[2]);
float newPosZ = (float) (Math.sin(angle) * lightPos[0] + Math.cos(angle) * lightPos[2]);
lightPos[0] = newPosX;
lightPos[2] = newPosZ;
}
// lighting variables
// send to shaders
GLES20.glUniform4fv(GLES20.glGetUniformLocation(_program, "lightPos"), 1, lightPos, 0);
GLES20.glUniform4fv(GLES20.glGetUniformLocation(_program, "lightColor"), 1, lightColor, 0);
// material
GLES20.glUniform4fv(GLES20.glGetUniformLocation(_program, "matAmbient"), 1, matAmbient, 0);
GLES20.glUniform4fv(GLES20.glGetUniformLocation(_program, "matDiffuse"), 1, matDiffuse, 0);
GLES20.glUniform4fv(GLES20.glGetUniformLocation(_program, "matSpecular"), 1, matSpecular, 0);
GLES20.glUniform1f(GLES20.glGetUniformLocation(_program, "matShininess"), matShininess);
}
@Override
public void applyParams() {
super.applyParams();
GLES20.glUniform4fv(muToonColor0Handle, 1, mToonColor0, 0);
GLES20.glUniform4fv(muToonColor1Handle, 1, mToonColor1, 0);
GLES20.glUniform4fv(muToonColor2Handle, 1, mToonColor2, 0);
GLES20.glUniform4fv(muToonColor3Handle, 1, mToonColor3, 0);
}
public void draw() {
// Add program to OpenGL environment
GLES20.glUseProgram(mProgram);
// get handle to vertex shader's vPosition member
mPositionHandle = GLES20.glGetAttribLocation(mProgram, "vPosition");
// Enable a handle to the scene vertices
GLES20.glEnableVertexAttribArray(mPositionHandle);
// Prepare the scene coordinate data
GLES20.glVertexAttribPointer(
mPositionHandle, COORDS_PER_VERTEX, GLES20.GL_FLOAT, false, VERTEX_STRIDE, vertexBuffer);
// get handle to fragment shader's vColor member
mColorHandle = GLES20.glGetUniformLocation(mProgram, "vColor");
// Set colorVertices for drawing the scene
GLES20.glUniform4fv(mColorHandle, 1, colorVertices, 0);
// Get handle to shape's transformation matrix
int mtrxhandle = GLES20.glGetUniformLocation(mProgram, "uMVPMatrix");
// Apply the projection and view transformation
GLES20.glUniformMatrix4fv(mtrxhandle, 1, false, pointsRenderer.mtrxProjectionAndView, 0);
// Draw the scene
GLES20.glDrawArrays(GLES20.GL_POINTS, 0, vertexCount);
// Disable vertex array
GLES20.glDisableVertexAttribArray(mPositionHandle);
if (drawLines) {
GLES20.glUseProgram(mLinesProgram);
mLinesPositionHandle = GLES20.glGetAttribLocation(mLinesProgram, "vPosition");
GLES20.glEnableVertexAttribArray(mLinesPositionHandle);
// Prevent null pointer race condition
if (linesVertexBuffer != null) {
GLES20.glVertexAttribPointer(
mLinesPositionHandle,
COORDS_PER_VERTEX,
GLES20.GL_FLOAT,
false,
VERTEX_STRIDE,
linesVertexBuffer);
mLinesColorHandle = GLES20.glGetUniformLocation(mLinesProgram, "vColor");
GLES20.glUniform4fv(mLinesColorHandle, 1, colorLines, 0);
int mtrxLineshandle = GLES20.glGetUniformLocation(mLinesProgram, "uMVPMatrix");
GLES20.glUniformMatrix4fv(
mtrxLineshandle, 1, false, pointsRenderer.mtrxProjectionAndView, 0);
// GLES20.glDrawArrays(GLES20.GL_LINE_STRIP, 0, linesVertexCount);
// GLES20.glDrawArrays(GLES20.GL_LINES, 0, linesVertexCount);
// GLES20.glDrawArrays(GLES20.GL_LINE_LOOP, 0, linesVertexCount);
// GLES20.glDrawArrays(GLES20.GL_TRIANGLES, 0, linesVertexCount);
GLES20.glDrawArrays(renderMethod, 0, linesVertexCount);
GLES20.glDisableVertexAttribArray(mLinesPositionHandle);
}
}
}
public void draw() {
// Add program to OpenGLES environment
GLES20.glUseProgram(mProgram);
// get handle to vertex shader's vPosition member
mPositionHandle = GLES20.glGetAttribLocation(mProgram, "vPosition");
// Enable a handle to the triangle vertices
GLES20.glEnableVertexAttribArray(mPositionHandle);
// Prepare the triangle coordinate data
GLES20.glVertexAttribPointer(
mPositionHandle, COORDS_PER_VERTEX, GLES20.GL_FLOAT, false, mVertexStride, mVertexBuffer);
// get handle to fragment shader's vColor member
mColorHandle = GLES20.glGetUniformLocation(mProgram, "vColor");
// set color for drawing the triangle
GLES20.glUniform4fv(mColorHandle, 1, mColor, 0);
// draw the triangle
GLES20.glDrawArrays(GLES20.GL_TRIANGLES, 0, mVertexCount);
// disable vertex array
GLES20.glDisableVertexAttribArray(mPositionHandle);
}
public void draw(float[] mvpMatrix) {
// Add program to OpenGL environment
GLES20.glUseProgram(mProgram);
// get handle to vertex shader's vPosition member
mPositionHandle = GLES20.glGetAttribLocation(mProgram, "vPosition");
// Enable a handle to the triangle vertices
GLES20.glEnableVertexAttribArray(mPositionHandle);
// Prepare the triangle coordinate data
GLES20.glVertexAttribPointer(
mPositionHandle, COORDS_PER_VERTEX, GLES20.GL_FLOAT, false, vertexStride, vertexBuffer);
// get handle to fragment shader's vColor member
mColorHandle = GLES20.glGetUniformLocation(mProgram, "vColor");
// Set color for drawing the triangle
GLES20.glUniform4fv(mColorHandle, 1, color, 0);
// get handle to shape's transformation matrix
mMVPMatrixHandle = GLES20.glGetUniformLocation(mProgram, "uMVPMatrix");
MyGLRenderer.checkGlError("glGetUniformLocation");
// Apply the projection and view transformation
GLES20.glUniformMatrix4fv(mMVPMatrixHandle, 1, false, mvpMatrix, 0);
MyGLRenderer.checkGlError("glUniformMatrix4fv");
// Draw the square
GLES20.glDrawElements(
GLES20.GL_TRIANGLES, drawOrder.length, GLES20.GL_UNSIGNED_SHORT, drawListBuffer);
// Disable vertex array
GLES20.glDisableVertexAttribArray(mPositionHandle);
}
public void init() {
float[] vertex = genVertex(n, radius);
GLES20.glGenBuffers(vbo.length, vbo, 0);
vertexBuffer.position(0);
vertexBuffer.put(vertex).position(0);
GLES20.glBindBuffer(GLES20.GL_ARRAY_BUFFER, vbo[0]);
GLES20.glBufferData(
GLES20.GL_ARRAY_BUFFER,
BYTE_PER_FLOAT * vertex.length,
vertexBuffer,
GLES20.GL_STATIC_DRAW);
GLES20.glBindBuffer(GLES20.GL_ARRAY_BUFFER, 0);
short[][] index = genIndex(n);
GLES20.glGenBuffers(ibo.length, ibo, 0);
for (int i = 0; i < 3; i++) {
indexBuffer.position(0);
indexBuffer.put(index[i]).position(0);
GLES20.glBindBuffer(GLES20.GL_ELEMENT_ARRAY_BUFFER, ibo[i]);
GLES20.glBufferData(
GLES20.GL_ELEMENT_ARRAY_BUFFER,
BYTE_PER_SHORT * index[i].length,
indexBuffer,
GLES20.GL_STATIC_DRAW);
GLES20.glBindBuffer(GLES20.GL_ELEMENT_ARRAY_BUFFER, 0);
}
GLES20.glUniform4fv(mColorHandle, 1, color, 0);
}
public void draw() {
// 将program加入OpenGL ES环境中
GLES20.glUseProgram(mProgram);
// 获取指向vertex shader的成员vPosition的 handle
mPositionHandle = GLES20.glGetAttribLocation(mProgram, "vPosition");
// 启用一个指向三角形的顶点数组的handle
GLES20.glEnableVertexAttribArray(mPositionHandle);
// 准备三角形的坐标数据
GLES20.glVertexAttribPointer(
mPositionHandle, COORDS_PER_VERTEX, GLES20.GL_FLOAT, false, vertexStride, vertexBuffer);
// 获取指向fragment shader的成员vColor的handle
mColorHandle = GLES20.glGetUniformLocation(mProgram, "vColor");
// 设置三角形的颜色
GLES20.glUniform4fv(mColorHandle, 1, color, 0);
// 画三角形
GLES20.glDrawArrays(GLES20.GL_TRIANGLES, 0, vertexCount);
// 禁用指向三角形的顶点数组
GLES20.glDisableVertexAttribArray(mPositionHandle);
}
public void draw(float[] mvpMatrix) {
// Add program to OpenGL ES environment
GLES20.glUseProgram(mProgram);
// get handle to vertex shader's vPosition member
mPositionHandle = GLES20.glGetAttribLocation(mProgram, "vPosition");
// Enable a handle to the triangle vertices
GLES20.glEnableVertexAttribArray(mPositionHandle);
// Prepare the triangle coordinate data
GLES20.glVertexAttribPointer(
mPositionHandle, COORDS_PER_VERTEX, GLES20.GL_FLOAT, false, vertexStride, vertexBuffer);
// get handle to fragment shader's vColor member
mColorHandle = GLES20.glGetUniformLocation(mProgram, "vColor");
// Set color for drawing the triangle
GLES20.glUniform4fv(mColorHandle, 1, color, 0);
// get handle to shape's transformation matrix
mMVPMatrixHandle = GLES20.glGetUniformLocation(mProgram, "uMVPMatrix");
// Pass the projection and view transformation to the shader
GLES20.glUniformMatrix4fv(mMVPMatrixHandle, 1, false, mvpMatrix, 0);
// Draw the triangle
GLES20.glDrawArrays(GLES20.GL_TRIANGLES, 0, vertexCount);
// Disable vertex array
GLES20.glDisableVertexAttribArray(mPositionHandle);
}
public void draw(float[] mvpMatrix) {
GLES20.glUseProgram(mProgram);
mPositionHandle = GLES20.glGetAttribLocation(mProgram, "vPosition");
GLES20.glEnableVertexAttribArray(mPositionHandle);
GLES20.glVertexAttribPointer(
mPositionHandle, COORDS_PER_VERTEX, GLES20.GL_FLOAT, false, vertexStride, vertexBuffer);
mColorHandle = GLES20.glGetUniformLocation(mProgram, "vColor");
GLES20.glUniform4fv(mColorHandle, 1, color, 0);
mMVPMatrixHandle = GLES20.glGetUniformLocation(mProgram, "uMVPMatrix");
checkGlError("glGetUniformLocation");
GLES20.glUniformMatrix4fv(mMVPMatrixHandle, 1, false, mvpMatrix, 0);
checkGlError("glUniformMatrix4fv");
GLES20.glDrawArrays(GLES20.GL_LINES, 0, vertexCount);
GLES20.glDisableVertexAttribArray(mPositionHandle);
}
public void draw(float[] mvp, float x, float y) {
float[] mvpMatrix = new float[16];
System.arraycopy(mvp, 0, mvpMatrix, 0, 16);
Matrix.setIdentityM(transMatrix, 0);
//
glBase.translate(transMatrix, x, y, 0);
Matrix.multiplyMM(mvpMatrix, 0, transMatrix, 0, mvpMatrix, 0);
GLES20.glUseProgram(mProgram);
mPositionHandle = GLES20.glGetAttribLocation(mProgram, "vPosition");
GLES20.glEnableVertexAttribArray(mPositionHandle);
GLES20.glVertexAttribPointer(
mPositionHandle, COORDS_PER_VERTEX, GLES20.GL_FLOAT, false, vertexStride, vertexBuffer);
mColorHandle = GLES20.glGetUniformLocation(mProgram, "vColor");
GLES20.glUniform4fv(mColorHandle, 1, color, 0);
mMVPMatrixHandle = GLES20.glGetUniformLocation(mProgram, "uMVPMatrix");
checkGlError("glGetUniformLocation");
GLES20.glUniformMatrix4fv(mMVPMatrixHandle, 1, false, mvpMatrix, 0);
checkGlError("glUniformMatrix4fv");
GLES20.glDrawArrays(GLES20.GL_LINE_LOOP, 0, vertexCount);
GLES20.glDisableVertexAttribArray(mPositionHandle);
}
@Override
public void glUniform4fv(int location, int count, FloatBuffer v) {
GLES20.glUniform4fv(location, count, v);
}
@Override
public void glUniform4fv(int location, int count, float[] v, int offset) {
GLES20.glUniform4fv(location, count, v, offset);
}
/**
* drawing function also calculates color value
*
* @param mvpMatrix
*/
public void draw(float[] mvpMatrix) {
float dif =
Math.abs(midx - midTx)
+ Math.abs(midy - midTy)
+ Math.abs(sizx - sizTx)
+ Math.abs(sizy - sizTy);
// Log.d("ASCII","dif"+dif);
if (dif > 0.01) {
midx += (midTx - midx) / 10.0f;
midy += (midTy - midy) / 10.0f;
sizx += (sizTx - sizx) / 10.0f;
sizy += (sizTy - sizy) / 10.0f;
}
// color[0]= recBlink;
// color[1]=1.0f-recBlink/5;
// color[2]=1.0f-recBlink/5;
GLES20.glUseProgram(mProgram);
// get handle to vertex shader's vPosition member
mPositionHandle = GLES20.glGetAttribLocation(mProgram, "vPosition");
// get handle to fragment shader's vColor member
mColorHandle = GLES20.glGetUniformLocation(mProgram, "vColor");
// get handle to texture coordinate variable
mTextureHandle = GLES20.glGetAttribLocation(mProgram, "TexCoordIn");
// if (mTextureHandle == -1) Log.e("ASCII", "TexCoordIn not found");
// get handle to shape's texture reference
fsTexture = GLES20.glGetUniformLocation(mProgram, "Texture");
// if (fsTexture == -1) Log.e("ASCII", "Texture not found");
//
GLES20.glUniform4fv(mColorHandle, 1, color, 0);
// get handle to shape's transformation matrix
mMVPMatrixHandle = GLES20.glGetUniformLocation(mProgram, "uMVPMatrix");
// XQGLRenderer.checkGlError("glGetUniformLocation");
// Apply the projection and view transformation
GLES20.glUniformMatrix4fv(mMVPMatrixHandle, 1, false, mvpMatrix, 0);
// MyGLRenderer.checkGlError("glUniformMatrix4fv");
//
GLES20.glEnableVertexAttribArray(mPositionHandle);
//
GLES20.glVertexAttribPointer(
mPositionHandle, COORDS_PER_VERTEX, GLES20.GL_FLOAT, false, vertexStride, vertexBuffer);
GLES20.glVertexAttribPointer(
mTextureHandle, COORDS_PER_TEXTURE, GLES20.GL_FLOAT, false, textureStride, textureBuffer);
GLES20.glActiveTexture(GLES20.GL_TEXTURE3);
GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, textureRef);
GLES20.glUniform1i(fsTexture, 3);
// GLES20.glEnableVertexAttribArray(mPositionHandle);
GLES20.glEnableVertexAttribArray(mTextureHandle);
GLES20.glEnable(GLES20.GL_BLEND);
GLES20.glBlendFunc(GLES20.GL_SRC_ALPHA, GLES20.GL_ONE_MINUS_SRC_ALPHA);
// Draw the shape
GLES20.glDrawElements(
GLES20.GL_TRIANGLE_STRIP, drawOrder.length, GLES20.GL_UNSIGNED_SHORT, indexBuffer);
GLES20.glDisable(GLES20.GL_BLEND);
// Disable vertex array
GLES20.glDisableVertexAttribArray(mPositionHandle);
GLES20.glDisableVertexAttribArray(mTextureHandle);
}
public void draw(float[] mvMatrix, float[] pMatrix) {
float[] normalMatrix = new float[16];
float[] tmpMatrix = new float[16];
Matrix.invertM(tmpMatrix, 0, mvMatrix, 0);
Matrix.transposeM(normalMatrix, 0, tmpMatrix, 0);
// Add program to OpenGL ES environment
GLES20.glUseProgram(shaderProgram);
// vertex position attribute array
int mPositionHandle = GLES20.glGetAttribLocation(shaderProgram, "vPosition");
GLES20.glEnableVertexAttribArray(mPositionHandle);
GLES20.glVertexAttribPointer(
mPositionHandle, COORDS_PER_VERTEX, GLES20.GL_FLOAT, false, vertexStride, vertexBuffer);
// vertex normal attribute array
int mNormalHandle = GLES20.glGetAttribLocation(shaderProgram, "vNormal");
GLES20.glEnableVertexAttribArray(mNormalHandle);
GLES20.glVertexAttribPointer(
mNormalHandle, COORDS_PER_VERTEX, GLES20.GL_FLOAT, false, vertexStride, normalBuffer);
// vertex UV attribute array
int mUVHandle = GLES20.glGetAttribLocation(shaderProgram, "vTexCoord");
GLES20.glEnableVertexAttribArray(mUVHandle);
GLES20.glVertexAttribPointer(mUVHandle, 2, GLES20.GL_FLOAT, false, 8, uvBuffer);
// material data
int mColorHandle = GLES20.glGetUniformLocation(shaderProgram, "Color");
int mAmbientHandle = GLES20.glGetUniformLocation(shaderProgram, "Ambient");
int mDiffuseHandle = GLES20.glGetUniformLocation(shaderProgram, "Diffuse");
int mSpecularHandle = GLES20.glGetUniformLocation(shaderProgram, "Specular");
int mShininessHandle = GLES20.glGetUniformLocation(shaderProgram, "Shininess");
GLES20.glUniform4fv(mColorHandle, 1, color, 0);
GLES20.glUniform3fv(mAmbientHandle, 1, ambient, 0);
GLES20.glUniform3fv(mDiffuseHandle, 1, diffuse, 0);
GLES20.glUniform3fv(mSpecularHandle, 1, specular, 0);
GLES20.glUniform1f(mShininessHandle, shininess);
// transformation matrices
int mMVMatrixHandle = GLES20.glGetUniformLocation(shaderProgram, "MVMatrix");
int mPMatrixHandle = GLES20.glGetUniformLocation(shaderProgram, "PMatrix");
int mNormalMatrixHandle = GLES20.glGetUniformLocation(shaderProgram, "NormalMatrix");
GLES20.glUniformMatrix4fv(mMVMatrixHandle, 1, false, mvMatrix, 0);
GLES20.glUniformMatrix4fv(mPMatrixHandle, 1, false, pMatrix, 0);
GLES20.glUniformMatrix4fv(mNormalMatrixHandle, 1, false, normalMatrix, 0);
// lighting data
int mLightPosHandle = GLES20.glGetUniformLocation(shaderProgram, "LightPos");
int mLightColorHandle = GLES20.glGetUniformLocation(shaderProgram, "LightColor");
GLES20.glUniform4fv(mLightPosHandle, 1, lightPosition, 0);
GLES20.glUniform3fv(mLightColorHandle, 1, lightColor, 0);
// texture
GLES20.glActiveTexture(GLES20.GL_TEXTURE0);
GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, textures[0]);
int mTexHandle = GLES20.glGetUniformLocation(shaderProgram, "Tex");
GLES20.glUniform1i(mTexHandle, 0);
// Draw the object
GLES20.glDrawElements(
GLES20.GL_TRIANGLES, drawOrder.length, GLES20.GL_UNSIGNED_SHORT, drawListBuffer);
// Disable arrays
GLES20.glDisableVertexAttribArray(mPositionHandle);
GLES20.glDisableVertexAttribArray(mNormalHandle);
GLES20.glDisableVertexAttribArray(mUVHandle);
}
public void setColor(float[] c) {
GLES20.glUniform4fv(mColorHandle, 1, c, 0);
}
