working on bowling demo

git-svn-id: svn://anubis/anaglym/trunk@208 99a6e188-d820-4881-8870-2d33a10e2619

lib/demo/bowling.lua

@@ -61,14 +61,19 @@ function init_event()
     minx, miny, minz, maxx, maxy, maxz = reference_pin:getAABB()
     pin_minz = minz
     pin_maxz = maxz
-    local box = ag.createBoxStatic(1, 1, 0.1)
+    local box = ag.createBoxStatic(1, 10, 0.1)
-    box:setColor(0, 0, 0)
+    box:setVisible(false)
     box:setPosition(0, 0, lane_bottom - (maxz - minz) - 0.4)
     reference_pin:setPosition(0, 0, lane_bottom - maxz - 0.1)
+    reference_ball = ag.createSphere(0.3)
+    reference_ball:setColor(0.7, 0.1, 0.9)
+    reference_ball:setMass(50)
+    reference_ball:setPosition(0, -2, -1.5)
     resetPins()
     setupStars()
     setupScore()
     ag.setCamera(0, -10, 5, 0, 20, 0)
+    game_state = "waiting"
 end
 
 function update_event()
@@ -95,15 +100,15 @@ function drawFrameScore(width, height, frame, fs)
         balls = 3
     end
     for ball = 1, balls do
---        if ((frame < current_frame) or (frame == current_frame and ball < current_ball)) then
+        if ((frame < current_frame) or (frame == current_frame and ball < current_ball)) then
             local ball_base_x = base_x + local_width - (1 + balls - ball) * ball_size + 7
             local ball_base_y = base_y + size - ball_size + 7
             ag.drawText(fs[ball], 1, 0.6, 0, 14, ball_base_x, ball_base_y)
---            if (frame < current_frame and fs["tot"] ~= 0) then
+            if (frame < current_frame and fs["tot"] ~= 0) then
                 local w, h = ag.getTextSize(fs["tot"], 16)
                 ag.drawText(fs["tot"], 1, 0.6, 0, 16, base_x + local_width - 10 - w, base_y + 10)
---            end
+            end
---        end
+        end
     end
 end
 
@@ -116,4 +121,50 @@ end
 
 function update_overlay_event(width, height)
     drawScore(width, height)
+    if (game_state == "get_power" or game_state == "launched") then
+        drawPowerBar(width, height)
+    end
+end
+
+function mousebutton_down_event(button, x, y)
+    if (button == 1) then
+        if (game_state == "waiting") then
+            getPower()
+        elseif (game_state == "get_power") then
+            launchBall()
+        end
+    end
+end
+
+function getPower()
+    game_state = "get_power"
+    power = 0
+    power_last_time = ag.elapsedTime()
+    power_direction = 1
+end
+
+function launchBall()
+    game_state = "launched"
+    launch_time = ag.elapsedTime()
+end
+
+function drawPowerBar(width, height)
+    local bar_width = 80
+    local bar_height = 400
+    if (game_state == "get_power") then
+        local now = ag.elapsedTime()
+        power = power + (now - power_last_time) / 250 * power_direction
+        if (power > 1) then
+            power = 1
+            power_direction = -1
+        elseif (power < 0) then
+            power = 0
+            power_direction = 1
+        end
+        power_last_time = now
+    end
+    ag.drawRect(1, 1, 1, bar_width, bar_height,
+        width - 50 - bar_width / 2, height / 2)
+    ag.fillRect(0.1, 1, 0.1, bar_width - 2, (bar_height - 2) * power,
+        width - 50 - bar_width / 2, height / 2)
 end