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Remove scalar*vector; swizzle; broadcast

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This commit is contained in:
gingerBill
2016-08-17 18:36:37 +01:00
parent c4fe2ace05
commit 6f9d11b381
10 changed files with 284 additions and 877 deletions
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examples/main.odin
+43 -20
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@@ -1,7 +1,24 @@
#load "basic.odin"
main :: proc() {
a := {4}f32{1}; // {1, 1, 1, 1} broadcasts to all
a = swizzle({4}f32{1, 2, 3, 4}, 1, 3, 2, 0);
for i := 0; i < len(a); i++ {
if i > 0 {
print_string(", ");
}
print_int(a[i] as int);
}
print_string("\n");
}
/*
#load "win32.odin"
#load "opengl.odin"
#load "stb_image.odin"
#load "math.odin"
win32_perf_count_freq := GetQueryPerformanceFrequency();
time_now :: proc() -> f64 {
@@ -148,48 +165,54 @@ display_window :: proc(w: ^Window) {
main :: proc() {
WINDOW_WIDTH :: 854;
WINDOW_HEIGHT :: 480;
window, window_success := make_window("Odin Language Demo", WINDOW_WIDTH, WINDOW_HEIGHT);
main :: proc() {
window, window_success := make_window("Odin Language Demo", 854, 480);
if !window_success {
return;
}
defer destroy_window(^window);
start_time := time_now();
{
v := Vec2{1, 2};
c := v * 2;
}
prev_time := time_now();
running := true;
for running {
curr_time := time_now();
dt := curr_time - start_time;
dt := (curr_time - prev_time) as f32;
prev_time = curr_time;
if update_window(^window) {
running = false;
}
glClearColor(0.5, 0.7, 1.0, 1.0);
glClear(GL_COLOR_BUFFER_BIT);
// glOrtho(0, WINDOW_WIDTH, 0, WINDOW_HEIGHT, -1, +1);
{
glLoadIdentity();
glOrtho(0, window.width as f64,
0, window.height as f64, 0, 1);
draw_rect :: proc(x, y, w, h: f32) {
glBegin(GL_TRIANGLES);
defer glEnd();
glColor3f(1, 0, 0); glVertex3f(x, y, 0);
glColor3f(0, 1, 0); glVertex3f(x+w, y, 0);
glColor3f(0, 0, 1); glVertex3f(x+w, y+h, 0);
glColor3f(1, 0, 0); glVertex3f(+0.5, -0.5, 0);
glColor3f(0, 1, 0); glVertex3f(+0.5, +0.5, 0);
glColor3f(0, 0, 1); glVertex3f(-0.5, +0.5, 0);
glColor3f(0, 0, 1); glVertex3f(x+w, y+h, 0);
glColor3f(1, 1, 0); glVertex3f(x, y+h, 0);
glColor3f(1, 0, 0); glVertex3f(x, y, 0);
glColor3f(0, 0, 1); glVertex3f(-0.5, +0.5, 0);
glColor3f(1, 1, 0); glVertex3f(-0.5, -0.5, 0);
glColor3f(1, 0, 0); glVertex3f(+0.5, -0.5, 0);
glEnd();
}
x, y : f32 = 100, 100;
draw_rect(x, y, 50, 50);
display_window(^window);
{
ms := (16 - dt*1000) as i32;
if ms > 0 { sleep_ms(ms); }
}
}
}
*/