@Override
public void draw(GLAutoDrawable glAutoDrawable, MatrixStack mvStack, Matrix3D pMat) {
GL4 gl = (GL4) glAutoDrawable.getGL();
mvStack.pushMatrix(); // push translate
translate(dxTranslate, dyTranslate, dzTranslate);
mvStack.multMatrix(getTranslation());
mvStack.pushMatrix(); // push rotate
rotate(dxRotate, dyRotate, dzRotate);
mvStack.multMatrix(getRotation());
mvStack.multMatrix(getScale());
gl.glUniformMatrix4fv(IdentityLocs.getMvLoc(), 1, false, mvStack.peek().getFloatValues(), 0);
gl.glUniformMatrix4fv(IdentityLocs.getProjLoc(), 1, false, pMat.getFloatValues(), 0);
gl.glUniformMatrix4fv(
IdentityLocs.getnlocation(),
1,
false,
(mvStack.peek().inverse().transpose().getFloatValues()),
0);
// bind vertex values
gl.glBindBuffer(GL.GL_ARRAY_BUFFER, vbo[index]);
gl.glVertexAttribPointer(0, 3, GL.GL_FLOAT, false, 0, 0);
gl.glEnableVertexAttribArray(0);
// bind normal values
gl.glBindBuffer(GL.GL_ARRAY_BUFFER, vbo[index + 2]);
gl.glVertexAttribPointer(1, 3, GL.GL_FLOAT, false, 0, 0);
gl.glEnableVertexAttribArray(1);
// bind texture values
gl.glBindBuffer(GL.GL_ARRAY_BUFFER, vbo[index + 1]);
gl.glVertexAttribPointer(2, 2, GL.GL_FLOAT, false, 0, 0);
gl.glEnableVertexAttribArray(2);
gl.glActiveTexture(gl.GL_TEXTURE0);
gl.glBindTexture(gl.GL_TEXTURE_2D, texture);
gl.glEnable(GL_CULL_FACE);
gl.glFrontFace(GL_CCW);
gl.glEnable(GL_DEPTH_TEST);
gl.glDepthFunc(GL_LEQUAL);
// draw arrays
gl.glDrawArrays(GL_TRIANGLES, 0, myShape.getIndices().length);
mvStack.popMatrix(); // pop rotate
mvStack.popMatrix(); // pop translate
}
private boolean initVertexArray(GL4 gl4) {
boolean validated = true;
gl4.glGenVertexArrays(1, vertexArrayName);
gl4.glBindVertexArray(vertexArrayName.get(0));
{
gl4.glBindBuffer(GL_ARRAY_BUFFER, bufferName.get(Buffer.VERTEX));
gl4.glVertexAttribPointer(Semantic.Attr.POSITION, 2, GL_FLOAT, false, 2 * Vec2.SIZE, 0);
gl4.glVertexAttribPointer(
Semantic.Attr.TEXCOORD, 2, GL_FLOAT, false, 2 * Vec2.SIZE, Vec2.SIZE);
gl4.glBindBuffer(GL_ARRAY_BUFFER, 0);
gl4.glEnableVertexAttribArray(Semantic.Attr.POSITION);
gl4.glEnableVertexAttribArray(Semantic.Attr.TEXCOORD);
gl4.glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, bufferName.get(Buffer.ELEMENT));
}
gl4.glBindVertexArray(0);
return validated;
}