blob: b6695bd85086e385696abc2e006023fdea77e2fc (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
|
Rect {
id: Page
width: 640
height: 480
color: "#000000"
// Make a ball to bounce
Rect {
id: Ball
x: 20
width: 20
height: 20
color: "#00ee00"
z: 1
// Add a property for the target y coordinate
properties: Property {
name: "targetY"
value: Page.height-10
}
properties: Property {
name: "direction"
value: "right"
}
// Move the ball to the right and back to the left repeatedly
x: SequentialAnimation {
running: true
repeat: true
NumericAnimation {
to: Page.width-40
duration: 2000
}
SetPropertyAction {
target: Ball
property: "direction"
value: "left"
}
NumericAnimation {
to: 20
duration: 2000
}
SetPropertyAction {
target: Ball
property: "direction"
value: "right"
}
}
// Make y follow the target y coordinate, with a velocity of 200
y: Follow {
source: Ball.targetY
velocity: 200
}
// Detect the ball hitting the top or bottom of the view and bounce it
onTopChanged: {
if (y <= 0)
targetY = Page.height-20;
else if (y >= Page.height-20)
targetY = 0;
}
}
// Place bats to the left and right of the view, following the y
// coordinates of the ball.
Rect {
id: LeftBat
color: "#00ee00"
x: 2
width: 20
height: 90
y: Follow {
source: Ball.y-45
velocity: 300
enabled: Ball.direction == 'left'
}
}
Rect {
id: RightBat
x: Page.width-22
color: "#00ee00"
width: 20
height: 90
y: Follow {
source: Ball.y-45
velocity: 300
enabled: Ball.direction == 'right'
}
}
// The rest, to make it look realistic, if neither ever scores...
Rect {
color: "#00ee00"
x: 320-80
y: 0
width: 40
height: 60
}
Rect {
color: "#000000"
x: 320-70
y: 10
width: 20
height: 40
}
Rect {
color: "#00ee00"
x: 320+40
y: 0
width: 40
height: 60
}
Rect {
color: "#000000"
x: 320+50
y: 10
width: 20
height: 40
}
Repeater {
dataSource: 24
Rect {
color: "#00ee00"
x: 320-5
y: index*20
width: 10
height: 10
}
}
}
|
