Method drawGrid_xz

GUI/OpenGL/MiniGL.cpp:343–371

}

void MiniGL::drawGrid_xz(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, 0.0f, (float) -size,
										   (float) i, 0.0f, (float) size,
										   (float) -size, 0.0f, (float) i,
										   (float) size, 0.0f, (float) i;
	}
	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, 0.0, -size), Vector3r(0.0, 0.0, 0.0), lineWidth, color);
	drawVector(Vector3r(0.0, 0.0, 1.0), Vector3r(0.0, 0.0, size), lineWidth, color);
}

void MiniGL::drawGrid_xy(float *color)
{