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-rw-r--r--themes/Renderer2d.cpp34
-rw-r--r--themes/Renderer2d.h7
-rw-r--r--themes/SummerTheme.cpp67
-rw-r--r--themes/SummerTheme.h23
-rwxr-xr-xthemes/dist/output.wasmbin130417 -> 135264 bytes
-rw-r--r--themes/main.cpp27
-rw-r--r--themes/types.h2
7 files changed, 154 insertions, 6 deletions
diff --git a/themes/Renderer2d.cpp b/themes/Renderer2d.cpp
index dacebe3..606b7fc 100644
--- a/themes/Renderer2d.cpp
+++ b/themes/Renderer2d.cpp
@@ -5,7 +5,7 @@
#include <cstdio>
// Note: In the 'transform' attribute, the transform.x is the scale,
-// transform.y is the rotation, and transform.zw is the translatiob.
+// transform.y is the rotation, and transform.zw is the translation.
const char* Vertex2DShader =
"attribute vec2 position; \n"
"attribute vec4 color; \n"
@@ -64,6 +64,7 @@ void Renderer2d::unload() {
void Mesh2D::load(Vertex2D* inVertices, u32 inNumVertices, Renderer2d* renderer) {
+ ebo = 0;
numVertices = inNumVertices;
useShader(renderer->shader);
@@ -89,15 +90,40 @@ void Mesh2D::load(Vertex2D* inVertices, u32 inNumVertices, Renderer2d* renderer)
glBindVertexArray(0);
}
-void Mesh2D::render(Renderer2d* renderer, GLenum drawType) {
- setShaderMat4(renderer->uniforms.model, model);
+void Mesh2D::load(Vertex2D* vertices,
+ u32 numVertices,
+ u32* indices,
+ u32 inNumIndices,
+ Renderer2d* renderer) {
+ load(vertices, numVertices, renderer);
glBindVertexArray(vao);
- glDrawArrays(drawType, 0, numVertices);
+ glGenBuffers(1, &ebo);
+ glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, ebo);
+ glBufferData(GL_ELEMENT_ARRAY_BUFFER, inNumIndices * sizeof(u32), &indices[0], GL_STATIC_DRAW);
+ numIndices = inNumIndices;
glBindVertexArray(0);
}
+void Mesh2D::render(Renderer2d* renderer, GLenum drawType) {
+ setShaderMat4(renderer->uniforms.model, model);
+
+ if (ebo == 0) {
+ glBindVertexArray(vao);
+ glDrawArrays(drawType, 0, numVertices);
+ glBindVertexArray(0);
+ }
+ else {
+ glBindVertexArray(vao);
+ glDrawElements(GL_TRIANGLES, numIndices, GL_UNSIGNED_INT, 0);
+ glBindVertexArray(0);
+ }
+}
+
void Mesh2D::unload() {
glDeleteVertexArrays(1, &vao);
glDeleteBuffers(1, &vbo);
+ if (ebo) {
+ glDeleteBuffers(1, &ebo);
+ }
}
diff --git a/themes/Renderer2d.h b/themes/Renderer2d.h
index 82af673..909f088 100644
--- a/themes/Renderer2d.h
+++ b/themes/Renderer2d.h
@@ -38,10 +38,17 @@ struct Vertex2D {
struct Mesh2D {
u32 vao;
u32 vbo;
+ u32 ebo = 0;
u32 numVertices = 0;
+ u32 numIndices = 0;
Mat4x4 model;
void load(Vertex2D* vertices, u32 numVertices, Renderer2d* renderer);
+ void load(Vertex2D* vertices,
+ u32 numVertices,
+ u32* indices,
+ u32 numIndices,
+ Renderer2d* renderer);
void render(Renderer2d* renderer, GLenum drawType = GL_TRIANGLES);
void unload();
};
diff --git a/themes/SummerTheme.cpp b/themes/SummerTheme.cpp
new file mode 100644
index 0000000..b23cc71
--- /dev/null
+++ b/themes/SummerTheme.cpp
@@ -0,0 +1,67 @@
+#include "SummerTheme.h"
+#include "Renderer2d.h"
+#include "list.h"
+#include "mathlib.h"
+#include <vector>
+
+void SummerTheme::load(Renderer2d* renderer) {
+ renderer->clearColor = Vector4(0, 181, 286, 255.f).toNormalizedColor();
+ sun.sectors = 180;
+ sun.radius = renderer->context->width / 4.f;
+ sun.load(renderer);
+}
+
+void SummerTheme::update(f32 dtSeconds) {
+ sun.update(dtSeconds);
+}
+
+void SummerTheme::render(Renderer2d* renderer) {
+ sun.render(renderer);
+}
+
+void SummerTheme::unload() {
+ sun.unload();
+}
+
+
+void Sun::load(Renderer2d* renderer) {
+ matte::List<Vertex2D> vertices;
+ matte::List<u32> indices;
+ Vector4 sunColor = Vector4(249, 215, 28, 255).toNormalizedColor();
+ vertices.add({ Vector2(0, 0), sunColor, Mat4x4() });
+
+ f32 radiansPerSector = (2.f * PI) / sectors;
+ for (i32 i = 0; i <= sectors; i++) {
+ f32 radians = radiansPerSector * i;
+ f32 cosAngle = cosf(radians);
+ f32 sinAngle = sinf(radians);
+ Vector2 vertex = Vector2(radius * cosAngle, radius * sinAngle);
+ vertices.add({ vertex, sunColor, Mat4x4() });
+
+ u32 first = i;
+ u32 second = 0;
+ u32 third = i + 1;
+ indices.add(first);
+ indices.add(second);
+ indices.add(third);
+ }
+
+ mesh.load(&vertices.data[0], vertices.numElements, &indices.data[0], indices.numElements, renderer);
+ mesh.model = Mat4x4().translateByVec2(Vector2(renderer->context->width / 2.f, renderer->context->height / 2.f));
+ vertices.deallocate();
+}
+
+void Sun::update(f32 dtSeconds) {
+
+}
+
+void Sun::render(Renderer2d* renderer) {
+ setShaderMat4(renderer->uniforms.model, mesh.model);
+ glBindVertexArray(mesh.vao);
+ glDrawElements(GL_TRIANGLES, mesh.numIndices, GL_UNSIGNED_INT, 0);
+ glBindVertexArray(0);
+}
+
+void Sun::unload() {
+ mesh.unload();
+}
diff --git a/themes/SummerTheme.h b/themes/SummerTheme.h
new file mode 100644
index 0000000..1d9093a
--- /dev/null
+++ b/themes/SummerTheme.h
@@ -0,0 +1,23 @@
+#pragma once
+#include "types.h"
+#include "Renderer2d.h"
+#include <vector>
+
+struct Sun {
+ f32 radius = 20.f;
+ i32 sectors = 180;
+ Mesh2D mesh;
+
+ void load(Renderer2d* renderer);
+ void update(f32 dtSeconds);
+ void render(Renderer2d* renderer);
+ void unload();
+};
+
+struct SummerTheme {
+ Sun sun;
+ void load(Renderer2d* renderer);
+ void update(f32 dtSeconds);
+ void render(Renderer2d* renderer);
+ void unload();
+};
diff --git a/themes/dist/output.wasm b/themes/dist/output.wasm
index 1cb0170..ced481d 100755
--- a/themes/dist/output.wasm
+++ b/themes/dist/output.wasm
Binary files differ
diff --git a/themes/main.cpp b/themes/main.cpp
index ae91ba7..4e82ca0 100644
--- a/themes/main.cpp
+++ b/themes/main.cpp
@@ -5,6 +5,7 @@
#include "mathlib.h"
#include "types.h"
#include "TreeShape.h"
+#include "SummerTheme.h"
#include "LeafParticleRender.h"
#include "Snowflake.h"
#include <cstdio>
@@ -15,7 +16,8 @@ enum Theme {
Default = 0,
Autumn,
Winter,
- Spring
+ Spring,
+ Summer
};
struct AutumnTheme {
@@ -74,6 +76,7 @@ EM_BOOL selectNone(int eventType, const EmscriptenMouseEvent* mouseEvent, void*
EM_BOOL selectAutumn(int eventType, const EmscriptenMouseEvent* mouseEvent, void* userData);
EM_BOOL selectWinter(int eventType, const EmscriptenMouseEvent* mouseEvent, void* userData);
EM_BOOL selectSpring(int eventType, const EmscriptenMouseEvent* mouseEvent, void* userData);
+EM_BOOL selectSummer(int eventType, const EmscriptenMouseEvent* mouseEvent, void* userData);
WebglContext context;
Renderer2d renderer2d;
@@ -83,6 +86,7 @@ Theme activeTheme = Theme::Default;
AutumnTheme autumnTheme;
WinterTheme winterTheme;
SpringTheme springTheme;
+SummerTheme summerTheme;
int main() {
context.init("#theme_canvas");
@@ -90,6 +94,7 @@ int main() {
emscripten_set_click_callback("#theme_button_autumn", NULL, false, selectAutumn);
emscripten_set_click_callback("#theme_button_winter", NULL, false, selectWinter);
emscripten_set_click_callback("#theme_button_spring", NULL, false, selectSpring);
+ emscripten_set_click_callback("#theme_button_summer", NULL, false, selectSummer);
return 0;
}
@@ -119,6 +124,10 @@ void load(Theme theme) {
renderer3d.load(&context);
springTheme.load(&renderer3d);
break;
+ case Theme::Summer:
+ renderer2d.load(&context);
+ summerTheme.load(&renderer2d);
+ break;
default:
break;
}
@@ -136,6 +145,9 @@ void update(f32 dtSeconds, void* userData) {
case Theme::Spring:
springTheme.update(dtSeconds);
break;
+ case Theme::Summer:
+ summerTheme.update(dtSeconds);
+ break;
default:
break;
}
@@ -154,6 +166,10 @@ void update(f32 dtSeconds, void* userData) {
renderer3d.render();
springTheme.render(&renderer3d);
break;
+ case Theme::Summer:
+ renderer2d.render();
+ summerTheme.render(&renderer2d);
+ break;
default:
break;
}
@@ -170,6 +186,9 @@ void unload() {
case Theme::Spring:
springTheme.unload();
break;
+ case Theme::Summer:
+ summerTheme.unload();
+ break;
default:
break;
}
@@ -207,6 +226,12 @@ EM_BOOL selectSpring(int eventType, const EmscriptenMouseEvent* mouseEvent, void
return true;
}
+EM_BOOL selectSummer(int eventType, const EmscriptenMouseEvent* mouseEvent, void* userData) {
+ printf("Summer theme selected\n");
+ load(Theme::Summer);
+ return true;
+}
+
// -- Autumn theme
void AutumnTheme::load(Renderer2d* renderer) {
renderer->clearColor = Vector4(252, 210, 153, 255).toNormalizedColor();
diff --git a/themes/types.h b/themes/types.h
index d5c7938..ae8aa4e 100644
--- a/themes/types.h
+++ b/themes/types.h
@@ -1,6 +1,6 @@
#pragma once
-#include <cstdint>
+#include <stdint.h>
typedef int8_t i8;
typedef int16_t i16;
generated by cgit v1.2.1 (git 2.18.0) at 2024-11-22 14:41:13 +0000