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authorIndrajith K L2022-12-03 17:00:20 +0530
committerIndrajith K L2022-12-03 17:00:20 +0530
commitf5c4671bfbad96bf346bd7e9a21fc4317b4959df (patch)
tree2764fc62da58f2ba8da7ed341643fc359873142f /v_windows/v/old/examples/gg/random.v
downloadcli-tools-windows-master.tar.gz
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Adds most of the toolsHEADmaster
Diffstat (limited to 'v_windows/v/old/examples/gg/random.v')
-rw-r--r--v_windows/v/old/examples/gg/random.v63
1 files changed, 63 insertions, 0 deletions
diff --git a/v_windows/v/old/examples/gg/random.v b/v_windows/v/old/examples/gg/random.v
new file mode 100644
index 0000000..f9e963b
--- /dev/null
+++ b/v_windows/v/old/examples/gg/random.v
@@ -0,0 +1,63 @@
+import gg
+import time
+
+const pwidth = 800
+
+const pheight = 600
+
+const pbytes = 4
+
+struct AppState {
+mut:
+ gg &gg.Context = 0
+ istream_idx int
+ pixels [pheight][pwidth]u32
+}
+
+[direct_array_access]
+fn (mut state AppState) update() {
+ mut rcolor := u64(state.gg.frame)
+ for {
+ for y in 0 .. pheight {
+ for x in 0 .. pwidth {
+ rcolor = rcolor * 1664525 + 1013904223
+ state.pixels[y][x] = u32(rcolor & 0x0000_0000_FFFF_FFFF) | 0x1010AFFF
+ }
+ }
+ time.sleep(33 * time.millisecond)
+ }
+}
+
+fn (mut state AppState) draw() {
+ mut istream_image := state.gg.get_cached_image_by_idx(state.istream_idx)
+ istream_image.update_pixel_data(&state.pixels)
+ size := gg.window_size()
+ state.gg.draw_image(0, 0, size.width, size.height, istream_image)
+}
+
+// gg callbacks:
+
+fn graphics_init(mut state AppState) {
+ state.istream_idx = state.gg.new_streaming_image(pwidth, pheight, pbytes, pixel_format: .rgba8)
+}
+
+fn graphics_frame(mut state AppState) {
+ state.gg.begin()
+ state.draw()
+ state.gg.end()
+}
+
+fn main() {
+ mut state := &AppState{}
+ state.gg = gg.new_context(
+ width: 800
+ height: 600
+ create_window: true
+ window_title: 'Random Static'
+ init_fn: graphics_init
+ frame_fn: graphics_frame
+ user_data: state
+ )
+ go state.update()
+ state.gg.run()
+}