fake 3d

modules/Console_Render/draw.jai

@@ -1,7 +1,7 @@
 // "Squashes" two dimensional coordinates onto the one dimensional screen buffer
 draw :: (using screen: *Screen, p: Vec2s64, char: u8 = DEFAULT_PIXEL_CHAR) {
     if p.x >= 0 && p.x < width && p.y >= 0 && p.y < height {
-        buffer[p.y * width + p.x] = cast(u8)char;
+        buffer[p.y * width + p.x] = char;
     }
 }
 

modules/Console_Render/math_extras.jai

@@ -16,19 +16,4 @@ make_quad_from_rect :: (p1: Vec2s64, p2: Vec2s64) -> Quad {
         .{ p2.x, p2.y },
         .{ p1.x, p2.y },
     };
-}
-
-scale :: (factor: float, pn: ..*Vec2s64) {
-    for pn {
-        it.x = cast(s64)(it.x * factor);
-        it.y = cast(s64)(it.y * factor);
-    }
-}
-
-scale :: (factor: float, t: *Triangle) {
-    scale(factor, *t.p1, *t.p2, *t.p3);
-}
-
-scale :: (factor: float, q: *Quad) {
-    scale(factor, *q.p1, *q.p2, *q.p3, *q.p4);
 }

modules/Console_Render/module.jai

@@ -106,6 +106,8 @@ maybe_resize_screen :: (screen: *Screen) {
 
 #load "draw.jai";
 #load "rotate.jai";
+#load "scale.jai";
+#load "translate.jai";
 #load "file_operations.jai";
 #load "console.jai";
 #load "math_extras.jai";

modules/Console_Render/rotate.jai

@@ -1,5 +1,5 @@
 // single point rotation
-rotate :: (p: *Vec2s64, center: Vec2s64, angle: s64) {
+rotate :: (angle: s64, center: Vec2s64, p: *Vec2s64) {
     rad := cast(float64)angle * (PI / 180.0);
 
     // translate to center
@@ -16,18 +16,18 @@ rotate :: (p: *Vec2s64, center: Vec2s64, angle: s64) {
 }
 
 // rotate n points
-rotate :: (pn: ..*Vec2s64, center: Vec2s64, angle: s64) {
+rotate :: (angle: s64, center: Vec2s64, pn: ..*Vec2s64) {
     for pn {
-        rotate(it, center, angle);
+        rotate(angle, center, it);
     }
 }
 
 // rotate 3 points via triangle struct
-rotate :: (t: *Triangle, center: Vec2s64, angle: s64) {
-    rotate(*t.p1, *t.p2, *t.p3, center = center, angle = angle);
+rotate :: (angle: s64, center: Vec2s64, t: *Triangle) {
+    rotate(angle, center, *t.p1, *t.p2, *t.p3);
 }
 
 // rotate 4 points via quad struct
-rotate :: (q: *Quad, center: Vec2s64, angle: s64) {
-    rotate(*q.p1, *q.p2, *q.p3, *q.p4, center = center, angle = angle);
+rotate :: (angle: s64, center: Vec2s64, q: *Quad) {
+    rotate(angle, center, *q.p1, *q.p2, *q.p3, *q.p4);
 }

modules/Console_Render/scale.jai

@@ -0,0 +1,14 @@
+scale :: (factor: Vector2, pn: ..*Vec2s64) {
+    for pn {
+        it.x = cast(s64)(it.x * factor.x);
+        it.y = cast(s64)(it.y * factor.y);
+    }
+}
+
+scale :: (factor: Vector2, t: *Triangle) {
+    scale(factor, *t.p1, *t.p2, *t.p3);
+}
+
+scale :: (factor: Vector2, q: *Quad) {
+    scale(factor, *q.p1, *q.p2, *q.p3, *q.p4);
+}

modules/Console_Render/translate.jai

@@ -0,0 +1,18 @@
+// for n points
+translate :: (amount: Vec2s64, pn: ..*Vec2s64) {
+    for pn {
+        it.x += amount.x;
+        it.y += amount.y;
+    }
+}
+
+// for a triangle
+translate :: (amount: Vec2s64, t: *Triangle) {
+    translate(amount, *t.p1, *t.p2, *t.p3);
+}
+
+
+// for a quad
+translate :: (amount: Vec2s64, q: *Quad) {
+    translate(amount, *q.p1, *q.p2, *q.p3, *q.p4);
+}