Mercurial > games > semicongine

diff examples/E02_squares.nim @ 137:ac2b6777c5db

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
add: some cleanup, discovered bug
author Sam <sam@basx.dev>
date Fri, 21 Apr 2023 00:29:09 +0700
parents fc5db4f1f94e
children 34112bf5abf8
line wrap: on
line diff
--- a/examples/E02_squares.nim	Thu Apr 20 23:46:22 2023 +0700
+++ b/examples/E02_squares.nim	Fri Apr 21 00:29:09 2023 +0700
@@ -47,7 +47,7 @@
   const
     vertexInput = @[
       attr[Vec3f]("position", memoryLocation=VRAM),
-      attr[Vec3f]("color", memoryLocation=VRAM), # TODO: VRAMVisible
+      attr[Vec3f]("color", memoryLocation=VRAM),
       attr[uint32]("index", memoryLocation=VRAM),
     ]
     vertexOutput = @[attr[Vec3f]("outcolor")]
@@ -80,6 +80,11 @@
     colors=colors,
   )
   setMeshData[uint32](squaremesh, "index", iValues.toSeq)
+  var i = 0'u64
+  var (p, l) = squaremesh.getRawData("color")
+  while i < uint64(l):
+    echo (cast[ptr float32]((cast[uint64](p) + i)))[]
+    inc i
 
   var myengine = initEngine("Squares")
   myengine.setRenderer(myengine.gpuDevice.simpleForwardRenderPass(vertexCode, fragmentCode))