Experiment with rotation

2024-04-02 15:33:23 -05:00
parent 53eacdae43
commit 87f71a6c61
4 changed files with 72 additions and 32 deletions
--- a/examples/PoolBox/application/src/Overlay/GTETest/include/GTE_Sprite.hpp
+++ b/examples/PoolBox/application/src/Overlay/GTETest/include/GTE_Sprite.hpp
@@ -0,0 +1,40 @@
+#pragma once
+#include <PSX/GPU/gpu_primitives.hpp>
+#include <PSX/GPU/gpu.hpp>
+#include <PSX/GTE/gte.hpp>
+
+namespace GTETest {
+    using namespace JabyEngine;
+
+    struct GTE_Sprite {
+        GPU::AreaI16  area;
+        GPU::POLY_FT4 display;
+
+        static constexpr GTE_Sprite create(const GPU::POLY_FT4& base) {
+            return GTE_Sprite{
+                .area    = GPU::AreaI16::create(base.get_rect_pos(), base.get_rect_size()),
+                .display = base
+            };
+        }
+
+        void apply() {
+            static const auto apply_to = [](GTE::SVECTOR vector) -> GPU::Vertex {
+                GTE::VECTOR output;
+                int32_t     flag;
+
+                GTE::rot_trans(vector, output, flag);
+                return output.to<GPU::Vertex>();
+            };
+
+            const auto& area = this->area;
+            this->display.vertex0 = apply_to(GTE::SVECTOR::from(area.get_top_left()));
+            this->display.vertex1 = apply_to(GTE::SVECTOR::from(area.get_top_right()));
+            this->display.vertex2 = apply_to(GTE::SVECTOR::from(area.get_bottom_left()));
+            this->display.vertex3 = apply_to(GTE::SVECTOR::from(area.get_bottom_right()));
+        }
+
+        void render() {
+            GPU::render(this->display);
+        }
+    };
+}