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OleksandrGlushchukOleksandrGlushchuk
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TextureQuad base implementation
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5 files changed

+885
-11
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5 files changed

+885
-11
lines changed

‎worldwind-tutorials/src/commonMain/kotlin/earth.worldwind.tutorials/SurfaceImageTutorial.kt‎

Lines changed: 31 additions & 11 deletions
Original file line numberDiff line numberDiff line change
@@ -8,25 +8,45 @@ import earth.worldwind.geom.Sector
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import earth.worldwind.layer.RenderableLayer
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import earth.worldwind.render.image.ImageSource
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import earth.worldwind.shape.SurfaceImage
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import earth.worldwind.geom.Position
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import earth.worldwind.shape.TextureQuad
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import earth.worldwind.shape.ShapeAttributes
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class SurfaceImageTutorial(private val engine: WorldWind) : AbstractTutorial() {
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private val layer = RenderableLayer("Surface image").apply {
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// Configure a Surface Image to display an Android resource showing the WorldWindEarth logo.
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val sector1 = Sector.fromDegrees(37.46, 15.5, 0.5, 0.6)
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val sector2 = Sector.fromDegrees(36.46, 14.5, 1.5, 1.9)
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addRenderable(
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SurfaceImage(
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Sector.fromDegrees(37.46, 15.5, 0.5, 0.6),
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ImageSource.fromResource(MR.images.worldwind_logo)
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)
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TextureQuad(
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listOf(
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Position(sector2.minLatitude, sector2.minLongitude, 0.0),
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Position(sector2.minLatitude, sector2.maxLongitude, 0.0),
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Position(sector1.maxLatitude, sector1.maxLongitude, 0.0),
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Position(sector1.maxLatitude, sector1.minLongitude, 0.0),
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),
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ShapeAttributes().apply { interiorImageSource = ImageSource.fromUrlString("https://worldwind.arc.nasa.gov/android/tutorials/data/etna.jpg") }
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).apply {
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altitudeMode = AltitudeMode.CLAMP_TO_GROUND
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isFollowTerrain = true
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}
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)
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// Configure a Surface Image to display a remote image showing Mount Etna erupting on July 13th, 2001.
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addRenderable(
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SurfaceImage(
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Sector.fromDegrees(37.46543388598137, 14.60128369746704, 0.45360804083528, 0.75704283995502),
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ImageSource.fromUrlString("https://worldwind.arc.nasa.gov/android/tutorials/data/etna.jpg")
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)
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)
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// addRenderable(
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// SurfaceImage(
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// Sector.fromDegrees(37.46, 15.5, 0.5, 0.6),
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// ImageSource.fromResource(MR.images.worldwind_logo)
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// )
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// )
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//
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// // Configure a Surface Image to display a remote image showing Mount Etna erupting on July 13th, 2001.
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// addRenderable(
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// SurfaceImage(
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// Sector.fromDegrees(37.46543388598137, 14.60128369746704, 0.45360804083528, 0.75704283995502),
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// ImageSource.fromUrlString("https://worldwind.arc.nasa.gov/android/tutorials/data/etna.jpg")
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// )
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// )
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}
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override fun start() {

‎worldwind/src/commonMain/kotlin/earth/worldwind/draw/DrawQuadState.kt‎

Lines changed: 115 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,115 @@
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package earth.worldwind.draw
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import earth.worldwind.geom.Matrix3
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import earth.worldwind.geom.Matrix4
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import earth.worldwind.geom.Vec2
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import earth.worldwind.geom.Vec3
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import earth.worldwind.render.Color
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import earth.worldwind.render.Texture
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import earth.worldwind.render.buffer.BufferObject
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import earth.worldwind.render.program.AbstractShaderProgram
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open class DrawQuadState internal constructor() {
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companion object {
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const val MAX_DRAW_ELEMENTS = 5
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}
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var programDrawToTexture: AbstractShaderProgram? = null
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var programDrawTextureToTerrain: AbstractShaderProgram? = null
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var vertexBuffer: BufferObject? = null
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var elementBuffer: BufferObject? = null
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val vertexOrigin = Vec3()
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var A = Vec2()
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var B = Vec2()
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var C = Vec2()
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var D = Vec2()
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var vertexStride = 0
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var enableCullFace = true
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var enableDepthTest = true
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var enableLighting = false
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var depthOffset = 0.0
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val color = Color()
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var opacity = 1.0f
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var texture: Texture? = null
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var textureLod = 0
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val texCoordMatrix = Matrix3()
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val texCoordAttrib = VertexAttrib()
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internal var primCount = 0
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internal val prims = Array(MAX_DRAW_ELEMENTS) { DrawElements() }
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open fun reset() {
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programDrawToTexture = null
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programDrawTextureToTerrain = null
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vertexBuffer = null
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elementBuffer = null
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vertexOrigin.set(0.0, 0.0, 0.0)
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vertexStride = 0
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enableCullFace = true
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enableDepthTest = true
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enableLighting = false
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depthOffset = 0.0
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color.set(1f, 1f, 1f, 1f)
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opacity = 1.0f
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texture = null
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textureLod = 0
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texCoordMatrix.setToIdentity()
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texCoordAttrib.size = 0
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texCoordAttrib.offset = 0
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primCount = 0
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A.set(0.0, 0.0)
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B.set(0.0, 0.0)
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C.set(0.0, 0.0)
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D.set(0.0, 0.0)
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for (idx in 0 until MAX_DRAW_ELEMENTS) prims[idx].texture = null
66+
}
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open fun drawElements(mode: Int, count: Int, type: Int, offset: Int) {
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val prim = prims[primCount++]
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prim.mode = mode
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prim.count = count
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prim.type = type
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prim.offset = offset
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prim.color.copy(color)
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prim.opacity = opacity
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prim.depthOffset = depthOffset
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prim.texture = texture
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prim.textureLod = textureLod
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prim.texCoordMatrix.copy(texCoordMatrix)
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prim.texCoordAttrib.copy(texCoordAttrib)
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prim.A.copy(A)
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prim.B.copy(B)
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prim.C.copy(C)
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prim.D.copy(D)
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}
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internal open class DrawElements {
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var mode = 0
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var count = 0
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var type = 0
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var offset = 0
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val color = Color()
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var opacity = 1.0f
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var depthOffset = 0.0
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var texture: Texture? = null
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var textureLod = 0
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val texCoordMatrix = Matrix3()
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val texCoordAttrib = VertexAttrib()
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var A = Vec2()
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var B = Vec2()
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var C = Vec2()
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var D = Vec2()
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}
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106+
open class VertexAttrib {
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var size = 0
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var offset = 0
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fun copy(attrib: VertexAttrib) {
111+
size = attrib.size
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offset = attrib.offset
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}
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}
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}

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