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-rw-r--r--v_windows/v/old/examples/sokol/drawing.v75
1 files changed, 75 insertions, 0 deletions
diff --git a/v_windows/v/old/examples/sokol/drawing.v b/v_windows/v/old/examples/sokol/drawing.v
new file mode 100644
index 0000000..e1b779b
--- /dev/null
+++ b/v_windows/v/old/examples/sokol/drawing.v
@@ -0,0 +1,75 @@
+import sokol
+import sokol.sapp
+import sokol.gfx
+import sokol.sgl
+
+struct AppState {
+ pass_action C.sg_pass_action
+}
+
+const (
+ used_import = sokol.used_import
+)
+
+fn main() {
+ state := &AppState{
+ pass_action: gfx.create_clear_pass(0.1, 0.1, 0.1, 1.0)
+ }
+ title := 'Sokol Drawing Template'
+ desc := C.sapp_desc{
+ user_data: state
+ init_userdata_cb: init
+ frame_userdata_cb: frame
+ window_title: title.str
+ html5_canvas_name: title.str
+ }
+ sapp.run(&desc)
+}
+
+fn init(user_data voidptr) {
+ desc := sapp.create_desc() // C.sg_desc{
+ gfx.setup(&desc)
+ sgl_desc := C.sgl_desc_t{}
+ sgl.setup(&sgl_desc)
+}
+
+fn frame(user_data voidptr) {
+ // println('frame')
+ state := &AppState(user_data)
+ draw()
+ gfx.begin_default_pass(&state.pass_action, sapp.width(), sapp.height())
+ sgl.draw()
+ gfx.end_pass()
+ gfx.commit()
+}
+
+fn draw() {
+ // first, reset and setup ortho projection
+ sgl.defaults()
+ sgl.matrix_mode_projection()
+ sgl.ortho(0.0, f32(sapp.width()), f32(sapp.height()), 0.0, -1.0, 1.0)
+ sgl.c4b(255, 0, 0, 128)
+ draw_hollow_rect(10, 10, 100, 30)
+ sgl.c4b(25, 150, 0, 128)
+ draw_filled_rect(10, 150, 80, 40)
+ // line(0, 0, 500, 500)
+}
+
+fn draw_hollow_rect(x f32, y f32, w f32, h f32) {
+ sgl.begin_line_strip()
+ sgl.v2f(x, y)
+ sgl.v2f(x + w, y)
+ sgl.v2f(x + w, y + h)
+ sgl.v2f(x, y + h)
+ sgl.v2f(x, y)
+ sgl.end()
+}
+
+fn draw_filled_rect(x f32, y f32, w f32, h f32) {
+ sgl.begin_quads()
+ sgl.v2f(x, y)
+ sgl.v2f(x + w, y)
+ sgl.v2f(x + w, y + h)
+ sgl.v2f(x, y + h)
+ sgl.end()
+}