Player pitching, npc batting, and gloves

Or at least a basic implementation thereof

src/main.lua

@@ -58,6 +58,11 @@ local PlayerFrown <const> = gfx.image.new("images/game/player-frown.png") --[[@a
 local PlayerSmile <const> = gfx.image.new("images/game/player.png") --[[@as pd_image]]
 local PlayerBack <const> = gfx.image.new("images/game/player-back.png") --[[@as pd_image]]
 
+local Glove <const> = gfx.image.new("images/game/glove.png") --[[@as pd_image]]
+local GloveHoldingBall <const> = gfx.image.new("images/game/glove-holding-ball.png") --[[@as pd_image]]
+local GloveSizeX, GloveSizeY <const> = Glove:getSize()
+local GloveOffX, GloveOffY <const> = GloveSizeX / 2, GloveSizeY / 2
+
 local PlayerImageBlipper <const> = blipper.new(100, "images/game/player.png", "images/game/player-lowhat.png")
 
 local DanceBounceMs <const> = 500
@@ -79,7 +84,7 @@ local PitchStartY <const>, PitchEndY <const> = 105, 240
 local ballAnimatorY = gfx.animator.new(0, BallOffscreen, BallOffscreen, playdate.easingFunctions.linear)
 local ballAnimatorX = gfx.animator.new(0, BallOffscreen, BallOffscreen, playdate.easingFunctions.linear)
 
----@alias PseudoAnimator { currentValue: fun(self): number; reset: fun(self) }
+---@alias PseudoAnimator { currentValue: fun(self): number; reset: fun(self, durationMs: number | nil) }
 ---@alias Pitch { x: PseudoAnimator, y: PseudoAnimator, z: PseudoAnimator | nil }
 
 ---@type Pitch[]
@@ -156,7 +161,7 @@ local teams <const> = {
     },
 }
 
-local PlayerTeam <const> = teams.away
+local PlayerTeam <const> = teams.home
 local battingTeam = teams.away
 local outs = 0
 local inning = 1
@@ -217,7 +222,7 @@ local fielders <const> = {
     shortstop = newFielder("Shortstop", 40),
     third = newFielder("Third", 40),
     pitcher = newFielder("Pitcher", 30),
-    catcher = newFielder("Catcher", 20),
+    catcher = newFielder("Catcher", 35),
     left = newFielder("Left", 40),
     center = newFielder("Center", 40),
     right = newFielder("Right", 40),
@@ -316,7 +321,8 @@ local secondsSincePitchAllowed = -5
 
 local catcherThrownBall = false
 
-function pitch()
+---@param pitchFlyTimeMs number | nil
+function pitch(pitchFlyTimeMs)
     catcherThrownBall = false
     offenseMode = Offense.batting
 
@@ -330,15 +336,17 @@ function pitch()
     -- 	ballFloatAnimator:reset()
     -- end
 
+    if pitchFlyTimeMs then
+        ballAnimatorX:reset(pitchFlyTimeMs)
+        ballAnimatorY:reset(pitchFlyTimeMs)
+    else
         ballAnimatorX:reset()
         ballAnimatorY:reset()
+    end
 
     secondsSincePitchAllowed = 0
 end
 
-local crankChange = 0
-local acceleratedChange = 0
-
 local BaseHitbox = 10
 
 --- Returns the base being touched by the player at (x,y), or nil, if no base is being touched
@@ -360,10 +368,10 @@ local BallCatchHitbox = 3
 --- Returns true only if the given point is touching the ball at its current position
 ---@param x number
 ---@param y number
----@return boolean
+---@return boolean, number
 function isTouchingBall(x, y)
     local ballDistance = utils.distanceBetween(x, y, ball.x, ball.y)
-    return ballDistance < BallCatchHitbox
+    return ballDistance < BallCatchHitbox, ballDistance
 end
 
 ---@param base Base
@@ -626,14 +634,14 @@ end
 ---@type number
 local batAngleDeg
 
-function updateBatting()
+---@param batDeg number
+function updateBatting(batDeg, batSpeed)
     if ball.y < BallOffscreen then
         ball.y = ballAnimatorY:currentValue() + ballFloatAnimator:currentValue()
         ball.size = SmallestBallRadius -- ballFloatAnimator:currentValue()
     end
 
-    batAngleDeg = (playdate.getCrankPosition() + CrankOffsetDeg) % 360
+    local batAngle = math.rad(batDeg)
-    local batAngle = math.rad(batAngleDeg)
     -- TODO: animate bat-flip or something
     batBase.x = batter and (batter.x + BatOffset.x) or 0
     batBase.y = batter and (batter.y + BatOffset.y) or 0
@@ -641,7 +649,7 @@ function updateBatting()
     batTip.y = batBase.y + (BatLength * math.cos(batAngle))
 
     if
-        acceleratedChange >= 0 -- > 0
+        batSpeed >= 0 -- > 0
         and utils.pointDirectlyUnderLine(ball.x, ball.y, batBase.x, batBase.y, batTip.x, batTip.y, Screen.H)
         and ball.y < 232 --not isTouchingBall(fielders.catcher.x, fielders.catcher.y)
     then
@@ -649,7 +657,7 @@ function updateBatting()
         offenseMode = Offense.running
         local ballAngle = batAngle + math.rad(90)
 
-        local mult = math.abs(crankChange / 15)
+        local mult = math.abs(batSpeed / 15)
         local ballVelX = mult * 10 * math.sin(ballAngle)
         local ballVelY = mult * 5 * math.cos(ballAngle)
         if ballVelY > 0 then
@@ -712,10 +720,47 @@ function walkAwayOutRunners()
     end
 end
 
+local npcBatDeg = 0
+local NpcBatSpeed <const> = 1200
+
+function npcBatAngle()
+    if not catcherThrownBall and ball.y > 190 and ball.y < 230 and (ball.x < Center.x + 15) then
+        npcBatDeg = npcBatDeg + (deltaSeconds * NpcBatSpeed)
+    else
+        npcBatDeg = 200
+    end
+    return npcBatDeg
+end
+
+function npcBatChange()
+    return deltaSeconds * NpcBatSpeed
+end
+
+function npcRunningSpeed()
+    if #runners == 0 then
+        return 0
+    end
+    local touchedBase = isTouchingBase(runners[1].x, runners[1].y)
+    if not touchedBase or touchedBase == Bases[Home] then
+        return 35
+    end
+    return 0
+end
+
+local pitchMeter = 0
+local PitchMeterLimit = 25
+
+function readPitch()
+    if pitchMeter > PitchMeterLimit then
+        return (PitchFlyMs / (pitchMeter / PitchMeterLimit))
+    end
+    return nil
+end
+
 function updateGameState()
     deltaSeconds = playdate.getElapsedTime() or 0
     playdate.resetElapsedTime()
-    crankChange, acceleratedChange = playdate.getCrankChange() --[[@as number, number]]
+    local crankChange = playdate.getCrankChange() --[[@as number, number]]
 
     if ball.heldBy then
         ball.x = ball.heldBy.x
@@ -726,22 +771,42 @@ function updateGameState()
     end
 
     if offenseMode == Offense.batting then
+        local playerOnOffense = playerIsOn(Sides.offense)
         secondsSincePitchAllowed = secondsSincePitchAllowed + deltaSeconds
+
         if secondsSincePitchAllowed > 3.5 and not catcherThrownBall then
             throwBall(PitchStartX, PitchStartY, playdate.easingFunctions.linear, nil, true)
             catcherThrownBall = true
+        else
+            pitchMeter = 0
         end
+
+        if not playerOnOffense then
+            pitchMeter = math.max(0, pitchMeter - (deltaSeconds * 150))
+            pitchMeter = pitchMeter + crankChange
+            if pitchMeter > PitchMeterLimit then
+                printTable({ pitchMeter = pitchMeter })
+            end
+        end
+
         if secondsSincePitchAllowed > PitchAfterSeconds then
-            pitch()
+            if playerOnOffense then
+                pitch(PitchFlyMs)
+            else
+                local pitchFly = readPitch()
+                if pitchFly then
+                    pitch(pitchFly)
                 end
-        updateBatting()
+            end
+        end
+        batAngleDeg = playerOnOffense and ((playdate.getCrankPosition() + CrankOffsetDeg) % 360) or npcBatAngle()
+        local batSpeed = playerOnOffense and crankChange or npcBatChange()
+        updateBatting(batAngleDeg, batSpeed)
         -- TODO: Ensure batter can't be nil, here
         updateRunner(batter, nil, crankChange)
     elseif offenseMode == Offense.running then
-        if playerIsOn(Sides.defense) then
+        local appliedSpeed = playerIsOn(Sides.offense) and crankChange or npcRunningSpeed()
-            updateRunning(999)
+        if updateRunning(appliedSpeed) then
-        end
-        if updateRunning(crankChange) then
             secondsSinceLastRunnerMove = 0
         else
             secondsSinceLastRunnerMove = secondsSinceLastRunnerMove + deltaSeconds
@@ -761,6 +826,22 @@ end
 -- TODO
 function drawMinimap() end
 
+---@param fielder Fielder
+---@return boolean isHoldingBall
+function drawFielderGlove(fielder)
+    printTable({ ballFloatValue = ballFloatAnimator:currentValue() })
+    local distanceFromBall =
+        utils.distanceBetweenZ(fielder.x, fielder.y, 0, ball.x, ball.y, ballFloatAnimator:currentValue())
+    local shoulderX, shoulderY = fielder.x + 10, fielder.y + FielderDanceAnimator:currentValue() + 5
+    if distanceFromBall > 30 then
+        Glove:draw(shoulderX, shoulderY)
+        return false
+    else
+        GloveHoldingBall:draw(ball.x - GloveOffX, ball.y - GloveOffY)
+        return true
+    end
+end
+
 function playdate.update()
     playdate.timer.updateTimers()
 
@@ -779,8 +860,11 @@ function playdate.update()
     GrassBackground:draw(-400, -240)
 
     local fielderDanceHeight = FielderDanceAnimator:currentValue()
+    local ballIsHeld = false
     for _, fielder in pairs(fielders) do
-        gfx.fillRect(fielder.x, fielder.y - fielderDanceHeight, 14, 25)
+        local fielderY = fielder.y + fielderDanceHeight
+        gfx.fillRect(fielder.x, fielderY, 14, 25)
+        ballIsHeld = drawFielderGlove(fielder) or ballIsHeld
     end
 
     if offenseMode == Offense.batting then
@@ -809,6 +893,7 @@ function playdate.update()
         PlayerFrown:draw(runner.x, runner.y)
     end
 
+    if not ballIsHeld then
         gfx.setLineWidth(2)
 
         gfx.setColor(gfx.kColorWhite)
@@ -816,6 +901,7 @@ function playdate.update()
 
         gfx.setColor(gfx.kColorBlack)
         gfx.drawCircleAtPoint(ball.x, ball.y, ball.size)
+    end
 
     gfx.setDrawOffset(0, 0)
     if math.abs(offsetX) > 10 or math.abs(offsetY) > 10 then

src/utils.lua

@@ -61,13 +61,21 @@ function utils.filter(array, condition)
     return newArray
 end
 
----@return number, number, number
+---@return number distance, number x, number y
 function utils.distanceBetween(x1, y1, x2, y2)
     local a = x1 - x2
     local b = y1 - y2
     return math.sqrt((a * a) + (b * b)), a, b
 end
 
+---@return number distance, number x, number y
+function utils.distanceBetweenZ(x1, y1, z1, x2, y2, z2)
+    local a = x1 - x2
+    local b = y1 - y2
+    local c = z1 - z2
+    return math.sqrt((a * a) + (b * b) + (c * c)), a, b
+end
+
 --- Returns true only if the point is below the given line, within the x bounds of said line, and above the bottomBound
 --- @return boolean
 function utils.pointDirectlyUnderLine(pointX, pointY, lineX1, lineY1, lineX2, lineY2, bottomBound)