test progress bar

2026-09-22 15:31:42 -06:00
parent 71038321b3
commit 20dbe60a86
3 changed files with 688 additions and 0 deletions
@@ -0,0 +1,56 @@
+local utility = require "lib.utility"
+
+local progress_bar_metatable = {
+  __index = {
+    font = love.graphics.newFont(18), -- TODO customizable
+    set_progress = function(self, progress_percentage)
+      self.progress_percentage = progress_percentage
+    end,
+    set_text = function(self, new_text)
+      self.text = new_text
+    end,
+    draw = function(self)
+      local cyan = {0, 0.5, 0.5, 1} -- TODO make customizable; consider percentage range colors
+      love.graphics.setColor(cyan)
+      love.graphics.rectangle("fill", self.x_position, self.y_position, self.total_width * self.progress_percentage, self.total_height)
+
+      local text_color = {1, 1, 1, 1} -- TODO customizable; default auto contrast with background color
+      love.graphics.setColor(text_color)
+
+      if self.text then
+        local font_height = self.font:getHeight()
+        local buffer_width = 8 -- TODO this should not be hardcoded
+        love.graphics.setFont(self.font)
+        love.graphics.print(self.text, self.x_position + buffer_width, self.y_position + self.total_height / 2 - font_height / 2)
+      end
+    end,
+  }
+}
+
+local new_progress_bar = function(x_position, y_position, total_width, total_height, progress_percentage)
+  return setmetatable({
+    x_position = x_position,
+    y_position = y_position,
+    total_width = total_width,
+    total_height = total_height,
+    progress_percentage = progress_percentage or 0,
+  }, progress_bar_metatable)
+end
+
+-- test progress_bar
+local window_width, window_height = love.graphics.getDimensions()
+local progress_bar_height = 30 -- TODO should not be hardcoded
+local test = new_progress_bar(0, window_height - progress_bar_height, window_width, progress_bar_height)
+test:set_text("This is a test text string of significant length. It exists to test printing over a progress bar.")
+test:set_progress(math.random())
+
+love.draw = function()
+  test:draw()
+end
+
+love.keypressed = function(key)
+  if key == "escape" then
+    -- TODO save any remaining log
+    love.event.quit()
+  end
+end