bool HeightMap::appMain() {
if (!running) {
return false;
}
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glUseProgram(program.programID());
running &= checkGLError("Error encountered enabling Shader Program\n", Logger::LOG_ERROR);
_xform = Matrix4::translate(0.0f, -1.0f, _zPlane)
* Matrix4::rotate(40.0f, 0.0f, 0.0f)
* Matrix4::rotate(0.0f, _angle, 0.0f);
glUniformMatrix4fv(_xformLoc, 1, false, _xform.buffer());
running &= checkGLError("Error encountered enabling loading Transform matrix: %s\n", Logger::LOG_ERROR);
glDrawArrays(_drawMode, 0, _totalVerts);
running &= checkGLError("Error encountered calling glDrawArrays: %s\n", Logger::LOG_ERROR);
display->swapBuffers();
display->mainLoop(*this);
_angle += 0.5f;
if (_angle >= 360.0f) {
_angle -= 360.0f;
};
return true;
}
void HeightMap::loadUniforms() {
_xformLoc = program.uniformLocation("xform");
_projectionLoc = program.uniformLocation("projection");
glUniformMatrix4fv(_projectionLoc, 1, false, _projection.buffer());
_vpsLoc = program.uniformLocation("vertsPerSide");
glUniform1i(_vpsLoc, _vertsPerSide);
_heightLoc = program.uniformLocation("heightMap");
glUniform1i(_heightLoc, 1);
_lighting.setBinding(1);
_lighting.setPosition(1, 0.0f, 0.0f, 1.0f);
_lighting.setColor(1, 1.0f, 1.0f, 1.0f);
_lighting.setAmbient(1, 0.2f, 0.2f, 0.2f);
_lighting.loadRig(program);
_flattenLoc = program.uniformLocation("flatten");
glUniform1i(_flattenLoc, _flatten);
}
void HeightMap::resizeWindow(int newX, int newY) {
_projection = Matrix4::fovHorizontal( 0.2f, 6.0f, 90.0f, display->aspectRatio());
glUniformMatrix4fv(_projectionLoc, 1, false, _projection.buffer());
running &= checkGLError("Error encountered updating Projection Matrix: %s\n", Logger::LOG_ERROR);
}