add accel and max speed

game/main.lua

@@ -1,3 +1,13 @@
+local racing = require("src.modes.racing")
+
 function love.load()
-  print("hello")
+  racing.load()
+end
+
+function love.update(dt)
+  racing.update(dt)
+end
+
+function love.draw()
+  racing.draw()
 end

game/src/modes/racing.lua

@@ -0,0 +1,63 @@
+local mode = {}
+
+local finish = {100, 100, 0}
+
+local entities = {
+  racer = {
+    pos = {0, 100, 0},
+    color = {255/255, 255/255, 255/255},
+
+    race_stats = {
+      max_speed = 100.0,
+      accel = 2.0,
+      current_speed = 2.0,
+      current_accel = 0.0,
+    },
+
+    draw = function (self)
+      love.graphics.push()
+      love.graphics.setColor(self.color[1], self.color[2], self.color[3])
+      love.graphics.points(self.pos[1], self.pos[2])
+
+      love.graphics.print(self.race_stats.current_speed, self.pos[1], self.pos[2])
+
+      love.graphics.print(string.format("Max Speed : %s", self.race_stats.max_speed), 0, 0)
+      love.graphics.print(string.format("Accel : %s", self.race_stats.accel), 0, 20)
+      love.graphics.print(string.format("Current Accel : %s", self.race_stats.current_accel), 0, 40)
+      love.graphics.pop()
+    end,
+
+    update = function (self, dt)
+      if (self.pos[1] > finish[1]) then
+        self.pos[1] = 0
+        self.race_stats.current_speed = 0
+        self.race_stats.current_accel = 0
+      end
+      self:accel(dt)
+      self.pos[1] = self.pos[1] + self.race_stats.current_speed * dt
+    end,
+
+    accel = function(self, dt)
+      if (self.race_stats.current_accel <= self.race_stats.accel) then
+        self.race_stats.current_accel = self.race_stats.current_accel + dt
+      end
+      if (self.race_stats.current_speed <= self.race_stats.max_speed) then
+        self.race_stats.current_speed = self.race_stats.current_speed + self.race_stats.current_accel
+      end
+    end
+  }
+}
+
+function mode.load()
+
+end
+
+function mode.update(dt)
+  entities.racer:update(dt)
+end
+
+function mode.draw()
+  entities.racer:draw()
+end
+
+return mode