Method drawGrid_xy

GUI/OpenGL/MiniGL.cpp:373–401

}

void MiniGL::drawGrid_xy(float *color)
{
	Vector3f diffcolor(color);
	Vector3f speccolor(1.0, 1.0, 1.0);

	const int size = 5;

	VectorXr grid((2*size + 1) * 4 * 3);
	for (int i = -size; i <= size; i++)
	{
		grid.segment<12>((i+size) * 12) << (float)i, (float)-size, 0.0f,
										   (float)i, (float)size, 0.0f,
										   (float)-size, (float)i, 0.0f,
										   (float)size, (float)i, 0.0f;
	}
	enableShader(diffcolor, diffcolor, speccolor, 100.0);
	glUniform1i(m_shader.getUniform("lighting"), GL_FALSE);
	supplyVertices(0, (2*size + 1) * 4, &grid(0));
	glDrawArrays(GL_LINES, 0, (2*size + 1) * 4);
	glDisableVertexAttribArray(0);
	disableShader();

	float lineWidth = 1.0;

	drawVector(Vector3r(-size, 0.0, 0.0), Vector3r(0.0, 0.0, 0.0), lineWidth, color);
	drawVector(Vector3r(1.0, 0.0, 0.0), Vector3r(size, 0.0, 0.0), lineWidth, color);
	drawVector(Vector3r(0.0, -size, 0.0), Vector3r(0.0, 0.0, 0.0), lineWidth, color);
	drawVector(Vector3r(0.0, 1.0, 0.0), Vector3r(0.0, size, 0.0), lineWidth, color);
}

void MiniGL::setViewport(float pfovy, float pznear, float pzfar, const Vector3r &peyepoint, const Vector3r &plookat)
{