本文整理汇总了Golang中github.com/veandco/go-sdl2/sdl.Renderer.DrawLine方法的典型用法代码示例。如果您正苦于以下问题：Golang Renderer.DrawLine方法的具体用法？Golang Renderer.DrawLine怎么用？Golang Renderer.DrawLine使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类github.com/veandco/go-sdl2/sdl.Renderer的用法示例。
在下文中一共展示了Renderer.DrawLine方法的5个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Golang代码示例。
示例1: run
func run() int {
var window *sdl.Window
var renderer *sdl.Renderer
var points []sdl.Point
var rect sdl.Rect
var rects []sdl.Rect
window, err := sdl.CreateWindow(winTitle, sdl.WINDOWPOS_UNDEFINED, sdl.WINDOWPOS_UNDEFINED,
winWidth, winHeight, sdl.WINDOW_SHOWN)
if err != nil {
fmt.Fprintf(os.Stderr, "Failed to create window: %s\n", err)
return 1
}
defer window.Destroy()
renderer, err = sdl.CreateRenderer(window, -1, sdl.RENDERER_ACCELERATED)
if err != nil {
fmt.Fprintf(os.Stderr, "Failed to create renderer: %s\n", err)
return 2
}
defer renderer.Destroy()
renderer.Clear()
renderer.SetDrawColor(255, 255, 255, 255)
renderer.DrawPoint(150, 300)
renderer.SetDrawColor(0, 0, 255, 255)
renderer.DrawLine(0, 0, 200, 200)
points = []sdl.Point{{0, 0}, {100, 300}, {100, 300}, {200, 0}}
renderer.SetDrawColor(255, 255, 0, 255)
renderer.DrawLines(points)
rect = sdl.Rect{300, 0, 200, 200}
renderer.SetDrawColor(255, 0, 0, 255)
renderer.DrawRect(&rect)
rects = []sdl.Rect{{400, 400, 100, 100}, {550, 350, 200, 200}}
renderer.SetDrawColor(0, 255, 255, 255)
renderer.DrawRects(rects)
rect = sdl.Rect{250, 250, 200, 200}
renderer.SetDrawColor(0, 255, 0, 255)
renderer.FillRect(&rect)
rects = []sdl.Rect{{500, 300, 100, 100}, {200, 300, 200, 200}}
renderer.SetDrawColor(255, 0, 255, 255)
renderer.FillRects(rects)
renderer.Present()
sdl.Delay(2000)
return 0
}示例2: main
func main() {
var window *sdl.Window
var renderer *sdl.Renderer
var points []sdl.Point
var rect sdl.Rect
var rects []sdl.Rect
window = sdl.CreateWindow(winTitle, sdl.WINDOWPOS_UNDEFINED, sdl.WINDOWPOS_UNDEFINED,
winWidth, winHeight, sdl.WINDOW_SHOWN)
if window == nil {
fmt.Fprintf(os.Stderr, "Failed to create window: %s\n", sdl.GetError())
os.Exit(1)
}
renderer = sdl.CreateRenderer(window, -1, sdl.RENDERER_ACCELERATED)
if renderer == nil {
fmt.Fprintf(os.Stderr, "Failed to create renderer: %s\n", sdl.GetError())
os.Exit(2)
}
renderer.SetDrawColor(255, 255, 255, 255)
renderer.DrawPoint(150, 300)
renderer.SetDrawColor(0, 0, 255, 255)
renderer.DrawLine(0, 0, 200, 200)
points = []sdl.Point{{0, 0}, {100, 300}, {100, 300}, {200, 0}}
renderer.SetDrawColor(255, 255, 0, 255)
renderer.DrawLines(points)
rect = sdl.Rect{300, 0, 200, 200}
renderer.SetDrawColor(255, 0, 0, 255)
renderer.DrawRect(&rect)
rects = []sdl.Rect{{400, 400, 100, 100}, {550, 350, 200, 200}}
renderer.SetDrawColor(0, 255, 255, 255)
renderer.DrawRects(rects)
rect = sdl.Rect{250, 250, 200, 200}
renderer.SetDrawColor(0, 255, 0, 255)
renderer.FillRect(&rect)
rects = []sdl.Rect{{500, 300, 100, 100}, {200, 300, 200, 200}}
renderer.SetDrawColor(255, 0, 255, 255)
renderer.FillRects(rects)
renderer.Present()
sdl.Delay(2000)
renderer.Destroy()
window.Destroy()
}示例3: DrawPath
func DrawPath(r *sdl.Renderer, nodes []graph.Node) {
for index, node := range nodes {
if index != 0 {
previousNode := nodes[index-1]
startRoom := previousNode.(*grid.Room)
endRoom := node.(*grid.Room)
x1 := int32(startRoom.X) * pixelSize * roomSize
y1 := int32(startRoom.Y) * pixelSize * roomSize
x2 := int32(endRoom.X) * roomSize * pixelSize
y2 := int32(endRoom.Y) * roomSize * pixelSize
r.DrawLine(int(x1), int(y1), int(x2), int(y2))
}
}
}示例4: DrawGraph
func DrawGraph(r *sdl.Renderer, g *graph.Graph) {
nodesDrawn := make(map[graph.Node]struct{})
g.EachAdjacencyList(func(n graph.Node, l []graph.Node) {
for _, d := range l {
_, drawn := nodesDrawn[d]
if !drawn {
startRoom := n.(*grid.Room)
endRoom := d.(*grid.Room)
x1 := int32(startRoom.X) * pixelSize * roomSize
y1 := int32(startRoom.Y) * pixelSize * roomSize
x2 := int32(endRoom.X) * roomSize * pixelSize
y2 := int32(endRoom.Y) * roomSize * pixelSize
r.DrawLine(int(x1), int(y1), int(x2), int(y2))
}
}
nodesDrawn[n] = struct{}{}
})
}示例5: run
func run() int {
var window *sdl.Window
var renderer *sdl.Renderer
var points []sdl.Point
var rect sdl.Rect
var rects []sdl.Rect
var err error
sdl.Do(func() {
window, err = sdl.CreateWindow(WindowTitle, sdl.WINDOWPOS_UNDEFINED, sdl.WINDOWPOS_UNDEFINED, WindowWidth, WindowHeight, sdl.WINDOW_SHOWN)
})
if err != nil {
fmt.Fprintf(os.Stderr, "Failed to create window: %s\n", err)
return 1
}
defer func() {
sdl.Do(func() {
window.Destroy()
})
}()
sdl.Do(func() {
renderer, err = sdl.CreateRenderer(window, -1, sdl.RENDERER_ACCELERATED)
})
if err != nil {
fmt.Fprint(os.Stderr, "Failed to create renderer: %s\n", err)
return 2
}
sdl.Do(func() {
renderer.Clear()
})
defer func() {
sdl.Do(func() {
renderer.Destroy()
})
}()
go func() {
println("goroutine: A")
}()
sdl.Do(func() {
renderer.SetDrawColor(255, 255, 255, 255)
renderer.DrawPoint(150, 300)
println("queue: A")
})
go func() {
println("goroutine: B")
}()
sdl.Do(func() {
renderer.SetDrawColor(0, 0, 255, 255)
renderer.DrawLine(0, 0, 200, 200)
println("queue: B")
})
go func() {
println("goroutine: C")
}()
sdl.Do(func() {
points = []sdl.Point{{0, 0}, {100, 300}, {100, 300}, {200, 0}}
renderer.SetDrawColor(255, 255, 0, 255)
renderer.DrawLines(points)
println("queue: C")
})
go func() {
println("goroutine: D")
}()
sdl.Do(func() {
rect = sdl.Rect{300, 0, 200, 200}
renderer.SetDrawColor(255, 0, 0, 255)
renderer.DrawRect(&rect)
println("queue: D")
})
go func() {
println("goroutine: E")
}()
sdl.Do(func() {
rects = []sdl.Rect{{400, 400, 100, 100}, {550, 350, 200, 200}}
renderer.SetDrawColor(0, 255, 255, 255)
renderer.DrawRects(rects)
println("queue: E")
})
go func() {
println("goroutine: F")
}()
sdl.Do(func() {
rect = sdl.Rect{250, 250, 200, 200}
renderer.SetDrawColor(0, 255, 0, 255)
renderer.FillRect(&rect)
println("queue: F")
//.........这里部分代码省略.........