Before changes the program displays two artifacts with block shape. You are to make changes related to transformations applied to the artifacts.

The first artifact

Scale by $\mathrm{.}75$ in the x direction, $\mathrm{.}5$ in the y direction, and $\mathrm{.}6$ in the z direction

Translate by $-\mathrm{.}5$ in the x direction, $-\mathrm{.}25$ in the y direction, and $0$ in the z direction

The center of the animation rotation should be the top of the object

The animation rotation axis should be the x$-$axis

The rotation rate should be $\backslash$pi $/2$

The second artifact

Scale by $1$ in the x direction, $\mathrm{.}1$ in the y direction, and $\mathrm{.}1$ in the z direction

Translate by $\mathrm{.}5$ in the x direction, $\mathrm{.}5$ in the y direction, and $0$ in the z direction

Set the world transform rotation angle to $\backslash$pi $/4$

The center of the animation rotation should be the center of the object

The animation rotation axis should be the y axis

The rotation rate should be $\backslash$pi $/3$

The code source is the following:

#include $"$GLM$/$gtc$/$type$\_$ptr$.$hpp$"$

#include

#include "learnopengl$/$shader$\_4722.$h$"$

#include

#include

#include

#include $"$cs$4722/$buffer$\_$utilities.h$"$

static Shader $*$shader;

static std::vector artifact$\_$list;

void init$($void$)$

$\{$

shader $=$ new Shader$("../$problemA$/$vertex$\_$shader.glsl$","../$problemA$/$fragment$\_$shader.glsl$")$;

glUseProgram$($shader$->$ID$)$;

glEnable$($GL$\_$DEPTH$\_$TEST$)$;

cs$4722$::shape$*$ block $=$ new cs$4722$::block$()$;

auto$*$ artf $=$ new cs$4722$::artifact$\_$rotating$()$;

artf$->$the$\_$shape $=$ block;

artifact$\_$list.push$\_$back$($artf$)$;

artf $=$ new cs$4722$::artifact$\_$rotating$()$;

artf$->$the$\_$shape $=$ block;

artifact$\_$list.push$\_$back$($artf$)$;

cs$4722$::init$\_$buffers$($shader$->$ID$,$ artifact$\_$list, $"$b$\_$position", $"$b$\_$color"$)$;

$\}$

void render$()$

$\{$

static auto last$\_$time $=0\mathrm{.}0$;

auto time $=$ glfwGetTime$()$;

auto delta$\_$time $=$ time $-$ last$\_$time;

last$\_$time $=$ time;

for $($auto artf : artifact$\_$list$)\{$

artf$->$animate$($time$,$ delta$\_$time$)$;

auto model$\_$matrix $=$ artf$->$animation$\_$transform.matrix$()$

$*$ artf$->$world$\_$transform.matrix$()$;

shader$->$setMat$4("$u$\_$transform", model$\_$matrix$)$;

glDrawArrays$($GL$\_$TRIANGLES, artf$->$the$\_$shape$->$buffer$\_$start, artf$->$the$\_$shape$->$buffer$\_$size$)$;

$\}$

$\}$

int

main$($int argc, char$**$ argv$)$

$\{$

glfwInit$()$;

cs$4722$::set$\_$opengl$\_$version$(3,3)$;

GLFWwindow $*$window $=$ cs$4722$::setup$\_$window$("$Problem A$",\mathrm{.}6,1)$;

gladLoadGL$($glfwGetProcAddress$)$;

init$()$;

while $(!$glfwWindowShouldClose$($window$))$

$\{$

glClearBufferfv$($GL$\_$COLOR, $0,$ cs$4722$::x$11$::gray$50.$as$\_$float$\_$array$())$;

glClear$($GL$\_$DEPTH$\_$BUFFER$\_$BIT$)$;

render$()$;

glfwSwapBuffers$($window$)$;

glfwPollEvents$()$;

$\}$

glfwDestroyWindow$($window$)$;

glfwTerminate$()$;

$\}$