Help with camera angles?

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Amanda
Amanda on 7 Dec 2022
I have an assingment that I am taking a 2d maze and making it 3d. I am trying to change the camera angle so that it makes it look like I am in the maze. This is what I have but I dont know where I went wrong. I have attached a pciture of what view i am trying to getting in the maze.
function [maze_figure, maze_axes] = drawMaze3d(maze)
% prepare figure and axes
maze_figure = figure;
maze_axes = axes;
axis equal;
hold on;
title('this will become the 3d maze')
% set axis properties depending on maze size
axis([0 maze.number_of_columns 0 maze.number_of_rows+2]);
set(gca, 'xlim', [0 maze.number_of_columns], 'ylim', [2 maze.number_of_rows+2], 'xtick', [], 'ytick', []);
set(gca, 'xtick', [], 'ytick', [], 'ztick', []);
camva(maze_axes,'manual') % CameraViewingAngleMode
campos(maze_axes,'manual') % CameraPositonMode
set(maze_axes,'CameraTargetMode','manual', 'Projection','perspective','CameraViewAngle',90)
% ----------------------------------------------------------------------------------------------------------------------
% remove this line and specify camera properties of the maze_axes here for (b)
% ----------------------------------------------------------------------------------------------------------------------
%floor
patch([0,maze.number_of_columns,maze.number_of_columns,0],[2,2,maze.number_of_columns+2,maze.number_of_columns+2],[0,0,0,0],[.7,.7,.7]);
% draw the grid
for i_col = 1:maze.number_of_columns
for i_row = 1:maze.number_of_rows
% draw the northern wall
if maze.hasWall(i_row, i_col, 1)
drawWallNorth(maze, i_row, i_col);
end
% draw the eastern wall
if maze.hasWall(i_row, i_col, 2)
drawWallEast(maze, i_row, i_col);
end
% draw the southern wall
if maze.hasWall(i_row, i_col, 3)
drawWallSouth(maze, i_row, i_col);
end
% draw the western wall
if maze.hasWall(i_row, i_col, 4)
drawWallWest(maze, i_row, i_col);
end
end
end
end
% nested functions
function drawWallNorth(maze, row, column)
x1 = column-1;
x2 = column;
y1 = maze.number_of_rows - row + 3;
y2 = maze.number_of_rows - row + 3;
patch([x1,x2,x2,x1],[y1,y2,y2,y1],[0,0,1,1],'r');
%plot([x1, x2], [y1, y2], 'k', 'linewidth', 4);
end
function drawWallEast(maze, row, column)
x1 = column;
x2 = column;
y1 = maze.number_of_rows - row + 3;
y2 = maze.number_of_rows - row + 2;
patch([x1,x2,x2,x1],[y1,y2,y2,y1],[0,0,1,1],'g');
%plot([x1, x2], [y1, y2], 'k', 'linewidth', 4);
end
function drawWallSouth(maze, row, column)
x1 = column-1;
x2 = column;
y1 = maze.number_of_rows - row + 2;
y2 = maze.number_of_rows - row + 2;
patch([x1,x2,x2,x1],[y1,y2,y2,y1],[0,0,1,1],'b');
%plot([x1, x2], [y1, y2], 'k', 'linewidth', 4);
end
function drawWallWest(maze, row, column)
x1 = column-1;
x2 = column-1;
y1 = maze.number_of_rows - row + 3;
y2 = maze.number_of_rows - row + 2;
patch([x1,x2,x2,x1],[y1,y2,y2,y1],[0,0,1,1],'Yellow');
% plot([x1, x2], [y1, y2], 'k', 'linewidth', 4);
end
function setRobotView(robot_location, robot_heading, axes3d)
camera_positon = [robot_location(1), robot_location(2),0.5];
axes3d.Cameraposition = camera_positon;
view_target = camera_positon;
if robot_heading == 1
view_target(2) = view_target(2) + 1;
elseif robot_heading == 2
view_target(1) = view_target(1) + 1;
elseif robot_heading == 3
view_target (2) = view_target(2) - 1;
elseif robot_heading == 4
view_target(1) = view_target(1) - 1;
end
axes3d.CameraTarget = view_target;
end

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