lloeki/ld48-29
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easier tiling, sprites and water

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This commit is contained in:
Loic Nageleisen 2014-04-27 16:06:28 +02:00
parent a86e49d505
commit a83fde4344
1 changed files with 52 additions and 13 deletions
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65
ld48-29.go
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@ -179,6 +179,40 @@ func makeSprite(x int, y int, w int, h int) (quad uint) {
return
}
func drawTile(texture gl.Texture, x int, y int, list uint) {
sx := float64(16 * x + 16 / 2)
sy := float64(16 * y + 16 / 2)
drawSprite(texture, sx, sy, 0, 1, list)
}
func drawWaterTile(x int, y int, t float64) {
waveHeight := 0.0
wavePhase := -1 + x % 2 * 2
if (t > 0) {
waveHeight = float64(wavePhase) * math.Sin(t)
}
qx1, qy1 := 16 * float32(x), 16 * float32(y)
qx2, qy2 := qx1 + 16, qy1 + 16
gl.Disable(gl.TEXTURE_2D)
gl.Disable(gl.LIGHTING)
gl.MatrixMode(gl.MODELVIEW)
gl.LoadIdentity()
gl.Color4f(0.0, 0.0, 0.5, 0.3)
gl.Begin(gl.QUADS)
gl.Normal3f(0.0, 0.0, 1.0)
gl.Vertex3f(qx1, qy1, 1.0)
gl.Vertex3f(qx2, qy1, 1.0)
gl.Vertex3f(qx2, qy2 + float32(waveHeight), 1.0)
gl.Vertex3f(qx1, qy2 + float32(waveHeight), 1.0)
gl.End()
gl.Enable(gl.LIGHTING)
gl.Enable(gl.TEXTURE_2D)
}
// main
@ -341,25 +375,30 @@ func render(textures map[string]gl.Texture, lists map[string]uint) {
// wall tiles
for i:= 0; i < 11; i++ {
drawSprite(textures["sprites"], 3*16+16/2, 16*float64(i)+16/2, 0, 1, lists["stonewallright"])
for j := 0; j < 11; j++ {
drawTile(textures["sprites"], 3, j, lists["stonewallright"])
}
drawSprite(textures["sprites"], 3*16+16/2, 1*16*float64(11)+16/2, 0, 1, lists["stonewalltopright"])
drawTile(textures["sprites"], 3, 11, lists["stonewalltopright"])
for i:= 0; i < 11; i++ {
drawSprite(textures["sprites"], 2*16+16/2, 16*float64(i)+16/2, 0, 1, lists["stonewall"])
for i := 0; i < 3; i++ {
for j:= 0; j < 11; j++ {
drawTile(textures["sprites"], i, j, lists["stonewall"])
}
drawTile(textures["sprites"], i, 11, lists["stonewalltop"])
}
drawSprite(textures["sprites"], 2*16+16/2, 1*16*float64(11)+16/2, 0, 1, lists["stonewalltop"])
for i:= 0; i < 11; i++ {
drawSprite(textures["sprites"], 1*16+16/2, 16*float64(i)+16/2, 0, 1, lists["stonewall"])
// water
for i := 0; i < 640 / 16; i++ {
for j := 0; j < 3; j++ {
wt := 0.0
if j == 2 {
wt = t
}
drawWaterTile(i, j, wt)
}
}
drawSprite(textures["sprites"], 1*16+16/2, 1*16*float64(11)+16/2, 0, 1, lists["stonewalltop"])
for i:= 0; i < 11; i++ {
drawSprite(textures["sprites"], 0*16+16/2, 16*float64(i)+16/2, 0, 1, lists["stonewall"])
}
drawSprite(textures["sprites"], 0*16+16/2, 1*16*float64(11)+16/2, 0, 1, lists["stonewalltop"])
// mouse pointer
if mouseVisible {
drawSprite(textures["sprites"], mouseX, mouseY, 0, 1.0, lists["cursor"])