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# Copyright 2022 Frederico de Oliveira Linhares
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
module Mode
class Collision
WINDOW_WIDTH = 640;
WINDOW_HEIGHT = 360;
class Square
attr_reader(:rect);
def initialize(x, y, vertical_direction, horizontal_direction)
@rect = CandyGear::Rect.new(x, y, 16, 16);
@vertical_direction = vertical_direction;
@horizontal_direction = horizontal_direction;
end
def x() = @rect.x;
def y() = @rect.y;
def draw() = @rect.draw_fill();
def tick()
case @vertical_direction
when :left
@rect.x -= 2;
@vertical_direction = :right if @rect.x < 0;
when :right
@rect.x += 2;
if @rect.x > WINDOW_WIDTH - @rect.width() then
@vertical_direction = :left;
end
end
case @horizontal_direction
when :up
@rect.y -= 2;
@horizontal_direction = :down if @rect.y < 0;
when :down
@rect.y += 2;
if @rect.y > WINDOW_HEIGHT - @rect.height() then
@horizontal_direction = :up;
end
end
end
end
def initialize()
@normal_color = CandyGear::Color.new(0x99, 0x99, 0x99);
@collision_color = CandyGear::Color.new(0x99, 0x33, 0x33);
@vertical_align_color = CandyGear::Color.new(0x33, 0x99, 0x33);
@horizontal_align_color = CandyGear::Color.new(0x33, 0x33, 0x99);
@square1 = Square.new(213, 120, :left, :down);
@square2 = Square.new(427, 240, :right, :down);
end
def tick()
@square1.tick();
@square2.tick();
if @square1.rect.collide?(@square2.rect) then
CandyGear::Graphic.set_color(@collision_color);
elsif @square1.rect.align_horizontally?(@square2.rect) then
CandyGear::Graphic.set_color(@horizontal_align_color);
elsif @square1.rect.align_vertically?(@square2.rect) then
CandyGear::Graphic.set_color(@vertical_align_color);
else
CandyGear::Graphic.set_color(@normal_color);
end
@square1.draw();
@square2.draw();
end
end
end
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